Shmeng Share definition Flag A build-up of a Cheesey white substance under the foreskin of the penis. Grim's shmeng smells REALLY BAD! George likes to eat shmeng, so now we call him shmeng. Shmeng by Switchblade October 5, 2003 0 0 Get merch Get the Shmeng mug. Buy Now — $32.95 See more merch