Hillbilly Mouth Hug Share definition Flag A slang term for a blowjob from a guy/gal with no teeth. I was so drunk last night she gave me a hillbilly mouth hug. Hillbilly Mouth Hug by Eisotope June 16, 2012 0 0 Get merch Get the Hillbilly Mouth Hug mug. Buy Now — $32.95 See more merch