titfucking Share definition Flag Brittney's Spears's favprite thing to do with Kevin Federline. Then she eats his cum and poops on his chest and he eats the poop. "mmm Kevin titfuck me so i can poop on your chest!" titfucking by Bran Diclomallo March 19, 2005 0 0 Get merch Get the titfucking mug. Buy Now — $32.95 See more merch