A Chicago Snowstorm is when you are doing a chick, and when you're about to blow, you stand behind a running fan and release it into the back, so your junk will blizzard on to her. Much like the snow storms in Chicago.
by Jack264 February 10, 2008
When you spray your semen into a table fan (after masturbation) and it goes all over your body and face
by I literally just camed rn April 9, 2018