It is when a person does not take a shower for a few days and has taken a few dumps and leaves dried pieces of shit behind on the toilet bowl
I went to take a dump and some nasty fucker left ass crumbs on the toilet bowl seat
by Carl Hard October 18, 2008
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The matter left behind on the toilet seat from a previous person. Weather it's.... s**t, hair,sweat, anything with pigment. (Usually men). Any type of matter that provokes you to clean and or sanitize the damn thing prior to use. It F**king DISCUSTING , not to mention RUDE.
--"What's wrong honey?"
- "Someone left Ass Crumb's on the seat again"
--Silence
- "So discussing"! (cringe)
by KyCalli August 14, 2015
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A small piece of poo clinging to the ass or the Underweare/Pants...

Often refereed to as a Dingle Berry
by Raven2099 May 14, 2008
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a really dumbass person. ie, an unemployed male that gets all the really good looking women.
Damn, look at that women...she is hot as fire...and with a fucken ass crumb.
by John Buzan November 28, 2007
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a bum crumb ass nigga is that one nigga who thinks they the shit but actually fucken ass at everything they do, video games, school, and hell, even making friends. You can tell if somebody’s a bum crumb ass nigga if they wear their beanie at the top of their head with the top of the beanie all raggy n shit. They also wear baseball caps backwards and sitting on the top of their head so that they seem to have a tall head, bc their heads are small and their brains are small, and end up looking extra retarded.
Person 1: damn yo Damian is a fucken bum crumb ass nigga
Person 2: what do you mean?
Person 1: I mean just look at how this bum ass nigga wears his hat! Wtf!?
by senor_jerome November 18, 2019
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