Munchengladback Share definition Flag 1. When someone's pants/trousers are so tight it looks like their butt crack is munching on them "That girl/guy has a serious case of munchengladback" Munchengladback by Blonde-Lawyer November 13, 2013 0 0 Get merch Get the Munchengladback mug. Buy Now — $32.95 See more merch