Thunt Share definition Flag Combination of thigh and cunt as coined by Danial Tosh. It refers to a second false vagina created by the overlapping thigh fat on an obese woman. Her skirt is riding up, but she's so fat you can't see past her thunt. Thunt by offthewagon February 21, 2011 0 0 Get merch Get the Thunt mug. Buy Now — $32.95 See more merch