Ski Balls
To snow ski with reckless abandon. Originally coined by the Moline Sr. High School ski team in 1984. Now a commonly used expression by advanced skiers nationwide, especially in the Midwest.
Ski Balls, Bitches! That dude can ski balls! We're going to ski balls this year. Can't wait to ski balls!
Ski-ball
The act of tea bagging someone while skiing.
Went to aspen and totally ski-balled this girl who had fallen off the ski lift