Top Definition
when a chick in a pool thrusts upward from the pool bottom legs first and blasts her ass above the surface of the water and whilst in the air spreads ass cheeks so as to expose her vagina.
so i was at the pool bar in cancun and i wanted to show off my box to the cute lifegaurd, so my friend and I did a couple Box Blasters in the pool
by manpole December 09, 2009

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