fat ass move

when a a skinny, average, or even a fat person acts in a way in which a normal or overly fat person would act, such as having a whole cake instead of just one piece or taking more than three pieces of Hershey's miniature chocolate bars from a fish-shaped dish.

Alison reached into the fish shaped dish and retrieved 6 pieces of Hershey's miniature chocolates that she proceeded to eat and then remarked how that was a fat ass move

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