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A person who only works out their upper body and doesn't understand what it is to do a squat or a deadlift.

Hence they end up looking like their animal namesake; fluffed up on top but walking around on matchsticks.
Dave, you see that gym pigeon over there? Doing arm curls in the squat rack.

Yeah, he's got legs like my 12 year old niece!
by Evil P July 07, 2010
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