by mack January 18, 2004
In "con speak" its what happens when someone accidentally speaks out of turn and ruins the gameplan.
I was going to sneak out early and go over to Donna's but she crummed the play when she told all the guys I'd rather be with her on our poker night.
by Gimbo is all in. February 25, 2008
1. This is the shit that remains in the toilet bowl after it as been mal-flushed. It is not a plesant sight for the next person.
- "Ew! There are some Toilet Crums!"
by CrunkMonk3y January 02, 2012
An individual who steals the last crum of food off a plate but doesn't have the moral sense to ask if any one else would like the last piece.
by blashada September 06, 2012
The left over debris on your shirt or jacket after making or working with boxes, usually at work. They tend to be quite difficult to get off.
Person A: "Hey man, do you like my new shirt??"
Person B: Yeah, it's sweet... mine just has box crums on it..."
Person B: Yeah, it's sweet... mine just has box crums on it..."
by Americanhockey1 January 26, 2010
by himilaintoesloths January 19, 2010
Devon: hey dude do u have any cereal? I'm starving
Brandon: no sorry bro just some cap'n crums...
Devon:... crap...
Brandon: no sorry bro just some cap'n crums...
Devon:... crap...
by brandonius the destroyer January 13, 2010

