When a man puts his penis between a lactating woman's breasts and proceeds to titty fuck her. When the man is about to ejaculate, the woman squeezes her nipples causing breast milk to flow over her breasts as the man is ejaculating, creating a blizzard of bliss over the woman's now snow-capped mountains.
Guy 1: Oh, man! I just found out I got my girlfriend pregnant!
Guy 2: How come you are so excited?
Guy 1: Dude. Are you crazy? Now I can give her a snowjob!