Top Definition
A light weight drunk, participating in downhill skiing in GAP apparel.

Also, name used to call a girl who hits the ground after two drinks.
1) a. Does that guy know what he's doing?

b. He's definitely skiing drunk. And wearing nothing but GAP clothing.

a. He's such a gapski

2) a.Woah! She just hit the floor and she's only had one drink!

b.Haha! That's gapski for you!
by v3xnorm August 29, 2011
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