1 definition by Cheecheez

A person who cannot for the life of them clear crumbs off their bed. So they sit on it, and flatten the crumbs out and until the crumbs keep collecting. Eventually Stay away from this person at all costs.
Danngg, that girl Mareyeen is a Crum bum, all she do is sit on her bed flattening crumbs.
by Cheecheez September 13, 2010
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