Slappincollie Share definition Flag 1. When your doing a girl in the butt and she farts. 2. When she farts and you donkey punch her. Dude I was pumping the poop-chute and she fucking farted so I gave her the ol' slappincollie. Slappincollie by who the fuck gives a shit June 8, 2003 0 0 Get merch Get the Slappincollie mug. Buy Now — $32.95 See more merch