Heendog Share definition Flag To Tittyfuck a dudes butt cheeks.To take ones penis and slide it between a mans buttcheeks. Yo did you see the shitter on that dude. I’d Heendog the fuck outta that thing. Heendog by Richard Sniffers June 13, 2018 0 0 Get merch Get the Heendog mug. Buy Now — $32.95 See more merch