1 definition by Warnstteze

A combination of something being Sick (really dope) and Nasty (really stylie). Used in the Ski and Snowboard community to describe something someone did that was mind blowing.
Damn, You see Warner huck that cliff, that was soooo sicknasty!
by Warnstteze October 11, 2010
Get the Sicknasty mug.