Titmunch Share definition Flag When a man (or woman) nibbles on a girls tit. Often injuring the girls tit in the process. Dude, Craig always is titmunching Lucy. Shes always fondling it. Titmunch by Bobnana August 24, 2014 0 0 Get merch Get the Titmunch mug. Buy Now — $32.95 See more merch