slap the flapjack Share definition Flag A intense session of Masturbation, resulting in a gritty feeling 'I'm just going to hit the shower to slap the flapjack' slap the flapjack by KMAG YOYO February 18, 2014 0 0 Get merch Get the slap the flapjack mug. Buy Now — $32.95 See more merch
