Top definition
To contract the muscles in your pecs and move them in a rhythmic way
Guy 1: Do you know how to pec pop?
Guy 2: no you need some serious pecs to be able to do that.
by tweetybird53 October 31, 2015
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Jul 27 Word of the Day
the whale tail is the shape formed when a g-string rides up high over a womans trousers
oh my god look at that butt, her whale tail is showing so high!
by garv November 10, 2003
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