"You don’t understand what a titty-fuck is, do you?" He cackled as he squeezed my boob again. "That’s when I stick my penis between those whoppers and you jiggle them till I cum."

He scratched my nipple with his fingernail which made it become really stiff and apparent. My eyes almost popped out from my mind at the notion. "Are you really going to provide me a titty-fuck?" Si asked with a twinkle in his eye.

I nodded furiously and pulled Grant farther into my bosom. From the ...