A combination of the two words "snow" and "ice". When you think it's snowing, but it's really just ice, snow, and rain falling down together, creating an ice skating rink on the street, causing you to slip and hurt your butt fat.
Jimmy ended up crying and having to go get his anus checked out by a doctor because he was pretending to be a ballerina and he fell while sliding on the ice in the snice storm.
by Moist Queef September 22, 2014