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someone who nibbles on bum holes that are crusty. also a slang term for a gay boy
mikey: carl your a bum crust nibbler
carl : no ryan is a bum crust nibbler
ryan :no your both shirtlifters(gay boys)
by ryan tomo February 14, 2008

Words related to bum crust nibbler

boy bum carl crust gay mikey nibbler poof ryan shirtlifter