Top Definition
Extra fleshy meat visibly bulging around the material of a woman's bikini when the wearer exceeds the legal bikini wearing limits. Bikini beef is unavoidable when a woman who is 5 feet tall and weighs 200 pounds wears a bikini.
Get a load of the side of bikini beef over there! That's just plain wrong.
by Drooster January 27, 2007
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