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.
von Tolands 3. Juli 2011
"But King Trident, I don't want to swallow your crum!"
von Eeeeeyow 10. Januar 2009
(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!"
von Linzzz 18. März 2008
verb, noun, adjective or any "fill in the blank" word to describe anything at any given time.
"omg you can be so crums sometimes!"
von professor crums 26. September 2008
Taking a dump on someone's chest.
Instead of the cleveland steamer, he gave her a crum shot.
von mack 18. Januar 2004
The process of chopping of your wang and eating it with fried rice.
Hay rhys you dick you crummed(the pasted tense)your self.
von Hooza_snoza 17. Juni 2003