Funny 40Th Birthday Shirts For Him

Explore our funny 40th birthday shirts for him collection at Unethical Threads where inappropriate meets impeccable quality. These funny 40th birthday shirts for him are crafted for those who appreciate humor that pushes boundaries. Sizes S-4XL, free shipping on all orders.

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Related Collections: Complete Funny Shirts Collection | Funny 40Th 40Th Birthday Shirt Ideas For Him | Funny 40Th Birthday Shirts For Her

  • 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
    Color
    Size
  • Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist. Funny “Call Me The Third Little Piggy” shirt takes the classic childhood tale and gives it an absurdly adult humor twist.

    *NEW* Call Me The Third Little Piggy Tee

    *NEW* Call Me The Third Little Piggy Tee

    $24.99 USD
    $24.99 USD
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    Size
  • A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format. A chaotic vintage-style graphic shows a man mid-dropkick toward a startled child, with bold text reading “I Would Dropkick A Child For A Marlboro,” capturing dark humor and nicotine-fueled desperation in an unhinged meme format.

    *NEW* I Would Dropkick A Child For A Cigarette Tee

    *NEW* I Would Dropkick A Child For A Cigarette Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • 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 Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Tylenol Powered Fuck Machine T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers.

    Tylenol Powered Fuck Machine Tee

    Tylenol Powered Fuck Machine Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes. Lesbians Eat What T Shirt featuring a shocked cartoon cat trio and haunted cabin scene under a full moon. This funny meme shirt blends lesbian innuendo, unfiltered Gen Z humor, and inappropriate shock value, making it perfect for parties, gag gifts, or wild public reactions. Ideal for fans of absurd cat graphics and viral internet jokes.

    Lesbians Eat What V2 Tee

    Lesbians Eat What V2 Tee

    From $24.99 USD
    From $24.99 USD
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    Size
  • 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 Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You Asia Cuz I Wanna Thai You Up T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers.

    *NEW* Are You Asia Cuz I Wanna Thai You Up Tee

    *NEW* Are You Asia Cuz I Wanna Thai You Up Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a black shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo. text reads “I Come In Peace” in a playful, rounded font on a white shirt, designed to pair with the matching “I'm Peace” tee for a cheeky couples combo.

    I Come In Peace Tee

    I Come In Peace Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • Crazy funny trucker hat for men with bold parody text styled like a soda logo that says “Diet Cunt” — an inappropriate mesh-back hat for fans of offensive humor, hilarious hat sayings, and unhinged party energy. Crazy funny trucker hat for men with bold parody text styled like a soda logo that says “Diet Cunt” — an inappropriate mesh-back hat for fans of offensive humor, hilarious hat sayings, and unhinged party energy. Crazy funny trucker hat for men with bold parody text styled like a soda logo that says “Diet Cunt” — an inappropriate mesh-back hat for fans of offensive humor, hilarious hat sayings, and unhinged party energy.

    Diet Cunt Hat

    Diet Cunt Hat

    $29.99 USD
    $29.99 USD
    Color
  • 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 I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and a LGBTQ parody meme-inspired design, perfect for casual wear and humor lovers. Funny I'm Beersexual T-Shirt featuring beer humor and LGBTQ meme-inspired design, perfect for casual wear and humor lovers.

    *NEW* I'm Beersexual Tee

    *NEW* I'm Beersexual Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size