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The act of when a male inserts his feet into two separate fenale vaginas then riding them down the stairs using their arms as poles. Then getting sexual pleasure at the bottom by both girls.
Zack: Yo bro I successfully performed the Archbald Ski Slope on Maura and Alavia last night.
Alex: Dam bro that’s heavy.
by Sushi1109 June 06, 2018
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