A really bad musician. Someone who lacks technical proficeincy on their instrument, as evident in by the music on thecrumbums.com
That guitarist is a real crumbum. He is so out of tune it sounds like he is trying to be experimental
by keithke September 12, 2010
Get the crumbum mug.A random piece of debris and or food particle which accumulate in a confined area, and then, without your acknowledgment, fall into something in which you do not wish it to fall into
by exzimazittitcackly February 2, 2009
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John: I just gave jen some cash she said she doesnt know where she is sleeping at tonight.
Steve: thats wierd cus she lives with her parents.
John: what a fuckin crumbum
Steve: thats wierd cus she lives with her parents.
John: what a fuckin crumbum
by bbandit April 21, 2009
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by Andy 'Wastic' Aldrich June 16, 2003
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by MrBlack1984 July 1, 2006
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