flupperdoo Share definition Flag Whenever you have sex and before you cum, pull out and ejaculate into her nose. Stick your dick in there and swing it around. "Dude, I flupperdooed my girlfriend last night. She won't talk to me anymore" flupperdoo by flupperdoodaday October 1, 2013 0 0 Get merch Get the flupperdoo mug. Buy Now — $32.95 See more merch