A term with a dual meaning, an alternative term do describe the cider based 'snakebite' drink. Also a rare term to describe the act of using ones penis as an adapted weapon, usually aimed at the face.
"Are you out tonight for a cocki slappie?" or "I need a policeman, I've just been cockie slappied by those happy-slappers"
by Alan D B April 15, 2007