Top Definition
An anus which tends to be less pleasent than the body it is attached to.
Guy #1: So how was your date last night?
Guy #2: Horrible.
Guy #1: What could have possibly gone wrong? The girl was a total babe!
Guy #2: Yeah, but i just didn't dig the assmostfear.
by Dontpayattentiontome June 25, 2010

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