Funny Birthday Shirts For Men

Unethical Threads presents our funny birthday shirts for men collection - where offensive meets fashionable. Each design delivers laughs and premium comfort. Shop funny birthday shirts for men today - sizes S-4XL, 30-day satisfaction guarantee.

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About Our Funny Birthday Shirts For Men Collection

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Related Collections: Complete Funny Shirts Collection | Funny Birthday Shirts For Guys | Funny Birthday Shirts For Ladies

  • Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background Black t-shirt with 'I LOVE MY GIRLFRIEND'S FEET' text on a white background

    *NEW* I Love My Girlfriends Feet Tee

    *NEW* I Love My Girlfriends Feet Tee

    $24.99 USD
    $24.99 USD
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    Size
  • White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. Black text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor. White text reads “I’m Fucking Stupid” in a bold, rounded font on a white shirt, designed as part of a matching gag T-shirt set for couples with inappropriate humor.

    I'm Fucking Stupid Tee

    I'm Fucking Stupid Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design. Dark humor T-shirt featuring a serial killer reference, blending Bundy and Dahmer for a provocative, meme-inspired design.

    *NEW* Choke Me Like Bundy Tee

    *NEW* Choke Me Like Bundy Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Paint T-Shirt featuring adult humor when paired with I Love To Finger Paint Shirt. Meme-inspired design, perfect for casual wear and humor lovers.

    I'm Paint Tee

    I'm Paint Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor. Funny “Think Outside The Box” tee isn’t just a double entendre — it’s a full send into unfiltered adult humor.

    *NEW* Think Outside "The Box" Tee

    *NEW* Think Outside "The Box" Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Bold black mesh funny trucker hat with white text that says “Less Naggin More Gaggin” — an outrageous drinking hat for men who love crazy humor, inappropriate sayings, and wild nights out. Bold white mesh funny trucker hat with black text that says “Less Naggin More Gaggin” — an outrageous drinking hat for men who love crazy humor, inappropriate sayings, and wild nights out. Bold pink mesh funny trucker hat with black text that says “Less Naggin More Gaggin” — an outrageous drinking hat for men who love crazy humor, inappropriate sayings, and wild nights out.

    Less Naggin More Gaggin Hat

    Less Naggin More Gaggin Hat

    $29.99 USD
    $29.99 USD
    Color
  • Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a black shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit. Light blue text reads “I’m Bubbles” in a bubbly, rounded font on a white shirt, designed to pair with the “I Blow Bubbles” tee for a bold and inappropriate couples outfit.

    I'm Bubbles Tee

    I'm Bubbles Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • 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
  • Crazy funny trucker hat for men with bold text that says “My GF Beats Me” — a dark humor mesh-back hat designed for guys who love inappropriate jokes, outrageous sayings, and wild party conversations. Crazy funny trucker hat for men with bold text that says “My GF Beats Me” — a dark humor mesh-back hat designed for guys who love inappropriate jokes, outrageous sayings, and wild party conversations. Crazy funny trucker hat for men with bold text that says “My GF Beats Me” — a dark humor mesh-back hat designed for guys who love inappropriate jokes, outrageous sayings, and wild party conversations. Crazy funny trucker hat for men with bold text that says “My GF Beats Me” — a dark humor mesh-back hat designed for guys who love inappropriate jokes, outrageous sayings, and wild party conversations.

    My GF Beats Me Hat

    My GF Beats Me Hat

    $29.99 USD
    $29.99 USD
    Color
  • Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts. Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts. Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts. Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts. Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts. Funny inappropriate shirt with a shocked donkey graphic and bold text saying “Men Eat What?!” Perfect adult humor tee for meme lovers, party outfits, and gag gifts.

    *NEW* Men Eat What? Donkey Tee

    *NEW* Men Eat What? Donkey Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Funny inappropriate trucker hat that reads “Strip Club Veteran” in military-style text — a hilarious gift hat for men who love crazy humor, drinking hats, and bold party statements.

    Strip Club Veteran Hat

    Strip Club Veteran Hat

    $29.99 USD
    $29.99 USD
  • Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Call Me A 737 Cause I Got A Few Screws Loose And Sucked A Guy Off T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers.

    Call Me A 737 Cause I've Got A Few Screws Loose And Sucked A Guy Off Tee

    Call Me A 737 Cause I've Got A Few Screws Loose And Sucked A Guy Off Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • Funny drinking trucker hat for men with bold white text that says “I Don’t Need Fun To Have Alcohol” — a hilarious beer hat with mesh back, perfect for parties, bar crawls, and anyone who loves alcohol-themed humor and funny hats. Funny drinking trucker hat for men with bold white text that says “I Don’t Need Fun To Have Alcohol” — a hilarious beer hat with mesh back, perfect for parties, bar crawls, and anyone who loves alcohol-themed humor and funny hats. Funny drinking trucker hat for men with bold white text that says “I Don’t Need Fun To Have Alcohol” — a hilarious beer hat with mesh back, perfect for parties, bar crawls, and anyone who loves alcohol-themed humor and funny hats.

    I Don't Need Fun To Have Alcohol Hat

    I Don't Need Fun To Have Alcohol Hat

    $29.99 USD
    $29.99 USD
    Color
  • Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown. Graphic T-shirt design with the phrase “Horny Hungry Hopeless,” where the "ny" in "Horny" is replaced by the New York Yankees logo. The text is bold and chaotic, capturing a humorous yet unhinged vibe that blends sports fandom with thirst and existential meltdown.

    Horny Hungry Hopeless New York Yankees Logo Tee

    Horny Hungry Hopeless New York Yankees Logo Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size