1 definition by You'reGonnaNeedABiggerBooty

A game where one person attempts to bite the butt of someone while walking up the stairs behind them. Usually the biter yells out "booty shark!" right before they attack.
He liked to play booty shark with his girlfriend before bed as they walked up the stairs.
by You'reGonnaNeedABiggerBooty August 9, 2016
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