Humper Sticker Share definition Flag A tatoo above a womans pussy or pubic area. Opposite of a tramp stamp. "When I seen her tramp stamp I thought she was easy ,but when her shorts came off I seen her humper sticker read next" Humper Sticker by tewsday June 21, 2010 0 0 Get merch Get the Humper Sticker mug. Buy Now — $32.95 See more merch