When something is really bad or gross. It's short for crummy.
This place is so crums there's worms coming out of the walls.
by Tolands July 03, 2011

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Merman/mermaid semen/cum/ejaculation
"But King Trident, I don't want to swallow your crum!"
by Eeeeeyow January 10, 2009

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(noun). one who is crummy, trashy, dirty, old, etc. often characteristic of the Los Angeles rock scene.
"Get a load of these L.A. crums! God they totally suck!"
by Linzzz March 18, 2008

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verb, noun, adjective or any "fill in the blank" word to describe anything at any given time.
"omg you can be so crums sometimes!"
by professor crums September 26, 2008

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Taking a dump on someone's chest.
Instead of the cleveland steamer, he gave her a crum shot.
by mack January 18, 2004

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The process of chopping of your wang and eating it with fried rice.
Hay rhys you dick you crummed(the pasted tense)your self.
by Hooza_snoza June 17, 2003

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