1 definition by ForeverAMAZING

Top Definition
1. when a skirt rides up, there for revealing underwear/under garments.

skirt+up= skup
Jenna: Did you see Becky? she totally just skupped, and I totally saw dora undies
Molly: You almost feel bad for the skupper
Jenna: right, I would hate to skup in front of Ronny
by ForeverAMAZING December 24, 2011

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