forbidden stress ball

A term that women use to describe the urge they get to squeeze a mans’ penis when it is soft (no longer erect).

-after sex-

man: “Aw crap, I’m embarrassed because my penis gets so small and soft after I cum.”
woman: “No it’s fine! Us girls know it as the forbidden stress ball because we always wanna squeeze the sh*t out of it but we can’t!”

man: “wtf...”