When you jerk off on someone else's Christmas tree without their knowledge, when it dries up hard and crusty it gives the appearance that it has snow and icicles on it.
Hey bro, let's go to Randy's house and make some ghetto snow!
The sexual act of dry humping your partner on a toboggan speeding downhill. It is also tradition to wear costumes from the Disney movie "Frozen" while performing this act. Make sure to bring appropriate safety gear in case of sledding accidents.
Me and Kathy snuck out during our High School Reunion to make a Minnesota Snow Angel! You betcha it was a blast!