a brain tumor is a tumor in your brain. it might kill you, which sucks big time if you get one. which i have.
you can get surgery, but surgery might kill you as well.
i have a brain tumor, and i hate it.
by stine July 24, 2005
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What you get when you come across cancer online.
"I was just on 4Chan, and it gave me a huge brain tumor."
by ThePseudonymousPseudonym August 04, 2018
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two or more people in a group having all suffering from headaches at the same time
Guy 1: Man I have a headache
Guy 2: Me too, it's killing me
Guy 3: The synchronised brain tumors are at it again
by KeeKz October 14, 2007
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Hemeroid or pimple on the anus
Johnny has so many Polish brain tumors that when he sits down they all pop.
by Smiles218 October 09, 2013
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A phrase made popular by the 1989 movie 'Heathers' and the 2014 musical of the same name. It is very similar in meaning to 'Are you retarded?'.
Heather Duke: Can I be red?

Heather Chandler: Did you have a brain tumor for breakfast? I'm always red

Heather McNamara: I've been looking forward to this all day!
Heather Duke: Did you have a brain tumor for breakfast?
by ChrisWiltrout December 30, 2016
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