Funny 420 Shirts

Shop Unethical Threads' funny 420 shirts collection for designs that make people do a double-take. Our funny 420 shirts bring the laughs without compromising on comfort or quality. Available in sizes S-4XL with hassle-free returns.

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About Our Funny 420 Shirts Collection

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Related Collections: Complete Funny Shirts Collection | Funny T Shirts London | Funny Wolf T Shirt

  • 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
    Color
    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
    Color
    Size
  • Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers. Funny Call Of Diddy T-Shirt featuring video gaming humor and dank meme-inspired design, perfect for casual wear and humor lovers.

    *NEW* Call Of Diddy Video Game Parody Tee

    *NEW* Call Of Diddy Video Game Parody Tee

    From $24.99 USD
    From $24.99 USD
    Color
    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
  • Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars. Funny “I Would Dropkick A Child For A Labubu” tee delivers peak unhinged energy for anyone obsessed with overpriced goblin toys and feral eBay bidding wars.

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

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

    From $24.99 USD
    From $24.99 USD
    Color
    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
    Color
    Size
  • Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy. Funny werewolf-themed T-shirt design with bold text reading “If They Talk Behind Your Back FART,” featuring multiple illustrated wolves including one howling, one tipping a cowboy hat, and another staring out a window. The graphic combines surreal, edgy humor with fantasy art style, making it a perfect meme shirt for Gen Z fans of fart jokes and chaotic energy.

    If They Talk Behind Your Back Fart Tee

    If They Talk Behind Your Back Fart Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • 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
  • “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff. “Trade Wars” parody design featuring Trump, Xi Jinping, and Justin Trudeau styled as Star Wars characters, with lightsabers and sci-fi robes, mimicking a dramatic galactic standoff.

    *NEW* Trade Wars Trump Xi Tariff Tee

    *NEW* Trade Wars Trump Xi Tariff 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
  • Weiner Rides 25 Cents Hat

    Weiner Rides 25 Cents Hat

    Weiner Rides 25 Cents Hat

    $29.99 USD
    $29.99 USD
  • Funny inappropriate trucker hat for men with bold white text that says “I’m Not A Gynecologist But I’ll Take A Look” — a hilarious mesh-back hat with outrageous humor perfect for parties, drinking nights, or bold personalities.

    I'm Not A Gynecologist But I'll Take A Look Hat

    I'm Not A Gynecologist But I'll Take A Look Hat

    $29.99 USD
    $29.99 USD
  • Inappropriate funny mesh trucker hat for men with bold white text reading “Free Mustache Rides” on a red foam front and mesh back — hilarious headwear for parties, bar crawls, or anyone who loves funny hat sayings. Inappropriate funny mesh trucker hat for men with bold white text reading “Free Mustache Rides” on a black foam front and mesh back — hilarious headwear for parties, bar crawls, or anyone who loves funny hat sayings.

    Free Mustache Rides Hat

    Free Mustache Rides Hat

    $29.99 USD
    $29.99 USD
    Color