Funny Birthday Shirt Sayings

Explore our funny birthday shirt sayings collection at Unethical Threads where inappropriate meets impeccable quality. These funny birthday shirt sayings are crafted for those who appreciate humor that pushes boundaries. Sizes S-4XL, free shipping on all orders.

✓ Free Shipping On All Orders | ✓ 30-Day Guarantee | ✓ Sizes S-4XL

About Our Funny Birthday Shirt Sayings Collection

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Related Collections: Complete Funny Shirts Collection | Funny 50Th Birthday T Shirt Sayings | Funny Work Shirt Sayings

  • Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Nothing About Me Is Flat Earth Society Meme Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers.

    *NEW* Nothing About Me Is Flat Earth Tee

    *NEW* Nothing About Me Is Flat Earth Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Its Only A Problem If You're Losing T-Shirt featuring gambling casino poker humor and meme-inspired design, perfect for casual wear and humor lovers.

    *NEW* It's Only A Problem If You're Losing Tee

    *NEW* It's Only A Problem If You're Losing Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee *NEW* Pope Leo XIV O Block Chicago Tee

    *NEW* Pope Leo XIV O Block Chicago Tee

    *NEW* Pope Leo XIV O Block Chicago Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value. A cursed twist on the “100 Men vs. 1 Gorilla” meme — this unhinged tee boldly declares your ability to beat off the competition... literally. Wildly inappropriate and destined to go viral, it’s the perfect shirt for anyone who thrives on chaos and shock value.

    *NEW* I'm Not A Gorilla But I Can Beat Off 100 Men Tee

    *NEW* I'm Not A Gorilla But I Can Beat Off 100 Men Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Weird and inappropriate funny trucker hat for men with bold white text that says “I Eat Drywall” — a top-selling crazy hat with mesh back, perfect for fans of hilarious hat sayings, unhinged humor, and funny mesh hats.

    I Eat Drywall Hat

    I Eat Drywall Hat

    $29.99 USD
    $29.99 USD
  • Funny inappropriate trucker hat with bold text that says “Bigfoot Is Real And He Tried To Eat My Ass” — a hilarious mesh-back hat for men who love crazy hats, weird humor, and legendary funny hat sayings perfect for parties or festivals.

    Bigfoot Is Real And He Tried To Eat My Ass Hat

    Bigfoot Is Real And He Tried To Eat My Ass Hat

    $29.99 USD
    $29.99 USD
  • Funny inappropriate trucker hat that reads “I Need Moral Support” with the M crossed out to say “I Need Oral Support” — a hilarious mesh-back hat for men with bold humor and unforgettable hat sayings perfect for parties or bar nights. Funny inappropriate trucker hat that reads “I Need Moral Support” with the M crossed out to say “I Need Oral Support” — a hilarious mesh-back hat for men with bold humor and unforgettable hat sayings perfect for parties or bar nights. Product mockup Funny inappropriate trucker hat that reads “I Need Moral Support” with the M crossed out to say “I Need Oral Support” — a hilarious mesh-back hat for men with bold humor and unforgettable hat sayings perfect for parties or bar nights.

    I Need Moral Support Oral Hat

    I Need Moral Support Oral Hat

    $29.99 USD
    $29.99 USD
    Color
  • Funny drinking trucker hat with bold white text that says “I Was Sober For 11 Years Then I Turned 12” — a hilarious mesh-back hat for men who love beer hats, inappropriate jokes, and crazy humor at parties or tailgates. Funny drinking trucker hat with bold white text that says “I Was Sober For 11 Years Then I Turned 12” — a hilarious mesh-back hat for men who love beer hats, inappropriate jokes, and crazy humor at parties or tailgates. Funny drinking trucker hat with bold white text that says “I Was Sober For 11 Years Then I Turned 12” — a hilarious mesh-back hat for men who love beer hats, inappropriate jokes, and crazy humor at parties or tailgates.

    I Was Sober For 11 Years Then I Turned 12 Hat

    I Was Sober For 11 Years Then I Turned 12 Hat

    $29.99 USD
    $29.99 USD
    Color
  • Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy. Vintage-style graphic featuring six depictions of Jesus Christ in sepia tones with humorous swagger, arranged symmetrically beneath bold arched text reading "JESUS HAS RIZZEN." The design is a Gen Z parody of the Easter phrase “He is Risen,” blending traditional Christian imagery with ironic meme aesthetics, divine drip, and playful resurrection energy.

    Jesus Has Rizzen Rizz Easter Tee

    Jesus Has Rizzen Rizz Easter Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a white shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor. text reads “I’m Peace” in a clean, rounded font on a black shirt, designed as the matching pair to the cheeky “I Come In Peace” tee for couples with bold humor.

    I'm Peace Tee

    I'm Peace Tee

    From $24.99 USD
    From $24.99 USD
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  • Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified. Funny “Call Me Goldilocks Cause I’m About To Try All 3” — this tee is for the dangerously curious and chronically inappropriate. A chaotic spin on the fairytale classic, it’s perfect for those who like their humor unfiltered, suggestive, and Gen Z certified.

    *NEW* Call Me Goldilocks Three Bears Tee

    *NEW* Call Me Goldilocks Three Bears Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.
 Funny Sir Racha Sriracha T-Shirt featuring medieval humor and meme-inspired design, perfect for casual wear and humor lovers.


    *NEW* Sir Racha Sriracha Medieval Tee

    *NEW* Sir Racha Sriracha Medieval Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny inappropriate drinking trucker hat for men with bold white text that says “Blackout With Your Rack Out” — a hilarious mesh hat perfect for beer lovers, wild parties, and anyone who enjoys crazy hats with bold sayings. Funny inappropriate drinking trucker hat for men with bold white text that says “Blackout With Your Rack Out” — a hilarious mesh hat perfect for beer lovers, wild parties, and anyone who enjoys crazy hats with bold sayings.

    Blackout With Your Rack Out Hat

    Blackout With Your Rack Out Hat

    $29.99 USD
    $29.99 USD
    Color
  • Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor Funny party shirt that says “Don’t Let Me Do Shots Or Coke” with chaotic alcohol humor

    Don't Let Me Do Shots Or Coke Tee

    Don't Let Me Do Shots Or Coke Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers. Funny I Need A Hug From A Bad Bitch T-Shirt featuring sarcastic humor and meme-inspired design, perfect for casual wear and humor lovers.

    I Need A Hug From A Bad Bitch Tee

    I Need A Hug From A Bad Bitch Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size