Funny 5K Shirt Ideas

Welcome to Unethical Threads' funny 5k shirt ideas collection where humor meets premium craftsmanship. Our funny 5k shirt ideas feature original designs that refuse to play it safe, guaranteed to spark conversations. Available in sizes S-4XL with fast shipping and a 30-day satisfaction guarantee.

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  • Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion. Retro-style text graphic that reads “Legalize Cocaine ’25” in bold blue and red lettering, designed as a parody campaign slogan. The image evokes chaotic Gen Z humor, ideal for meme lovers, partygoers, and fans of ironic fashion.

    Legalize Cocaine 25' Tee

    Legalize Cocaine 25' Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun shirt that says "Master Baiter" with playful graphic, perfect for fisherman, dirty joke lovers, and gag gift ideas. Funny fishing pun black shirt that says "Master Baiter" with playful graphic, perfect for outdoorsmen, dirty joke lovers, and gag gift ideas.

    Master Baiter Tee

    Master Baiter Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy. This rainbow-colored “Fag” cigarette tee is a bold fusion of British slang and Pride Month energy. Perfect for queer pun lovers, Gen Z irony addicts, and anyone who likes their humor with a side of controversy.

    Fag Cigarette Pride Month Tee

    Fag Cigarette Pride Month Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.” Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Funny Are You From Japan Cause I'm Trying To Get In Japanties T-Shirt featuring adult humor and meme-inspired design, perfect for casual wear and humor lovers. Inappropriate pickup line shirt that says “Are You From Japan? Cuz I Wanna Get In Your Japanties.”

    Are You From Japan - Japanties Tee

    Are You From Japan - Japanties 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 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
  • 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
  • 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.

    I'm Beersexual Tee

    I'm Beersexual Tee

    From $24.99 USD
    From $24.99 USD
    Color
    Size
  • 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
  • Weiner Rides 25 Cents Hat

    Weiner Rides 25 Cents Hat

    Weiner Rides 25 Cents Hat

    $29.99 USD
    $29.99 USD