The way something is or an act, something very stupid.
That dude just ate his own skin.
Bro, that video is cancerous! Shut the hell up!
by BestDefinitionWriter April 23, 2016
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Parents who smoke cigarettes around their children.
Nick: I can't breathe in my own home!
Tony: Why not?
Nick: Cancerents T_T
by Cybapa December 6, 2009
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A niche League of Legends term for the word "very" or "so"
Guy 1: That champ is so CANCER fkn op

Guy 2: Good thing I'm cancer fed
by Rowan Yeeter August 11, 2023
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Caillou: Mommy, why don't I have hair?
Mom: You have cancer, YEET!
by Cheetos_017 March 12, 2019
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cancer. the biggest fucking simps. you’ll be really lucky to have them in your life, but you wont realize it until you lose them. they are honestly some of the funnest people around, with the best sense of humour. they also probably really like tiktok lol.
i lost her .. shoulda never fw a cancer
by badass bitch 😽 June 27, 2020
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Cancer is what things like smoking, exposure to radiation, genetically enhanced food, and furbies cause.
Doctor:Well Mr. Smith, you have stomach cancer and you have 3 months to live, you have no money, your house has been reposessed, your children sent to work in a sweat shop in thailand for 3 cents an hour making Nike's, and your wife has no where to go and will most likely die due to starvation, but I do have some good news.

You:..............

Doctor: I just saved money on car insurance by switching to Geico.
by Expatriot September 4, 2004
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Slime videos and any people who try to entertain kids on youtube because they aren't funny. So essentially people who play fortnite and think they're good at it.
NIgga's who play fortnite are cancer
by NothingG.A.Y January 14, 2019
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