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v.The act of having sexual intercourse from the rear where both hands of a woman are used as ski poles while the male copulates in a downhill motion like that of a skier. As the male ejaculates he hits the ski-jump. n. Variation of booming.
I was ski-boomin in that ass like she was a Nordic Track.

Guy1: Hey did you boom on her yet?
Guy2: Boy I ski-boomed so ill she gave me the gold medal on that ass!
by Airtight November 16, 2010
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