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a uber super cool combination of the words "cool" and "skis". Makes anyone called this super awesome and most likely a beast in the sack. Coolskis is also french/latin for pure sexy.
Matt: "omfg dude you're so Coolskis." Tyler: "thanks bro, ur totally ox."
by Tylurr March 31, 2010
Cool as hell.
Person 1: Have you done the cost report?

Person 2: Yes.

Person 1: Coolski.
by trailbleza May 18, 2011