Trunk eater Share definition Flag A trunk eater is one that takes part in oral butt sex also known as eatin out the bootyhole. bob-Yo,did you here that homeboys a trunk eater. tom-word,youll never catch me eating trunk. Trunk eater by Shanovahoe May 3, 2009 0 0 Get merch Get the Trunk eater mug. Buy Now — $32.95 See more merch