Squeezing, flicking, pinching, or any sort of irritation or discomfort to nipples. See titty twister or purple nurple for more information.

Got the covid-19 vaccine

During foreplay, you make a game using a whip in which you tie them down and whip aiming directly for the nipples. If you want to make it more interesting, instead of tying them down as usual, just let them run around freely and still try to aim for their nipples anyways.

The act of spraying whipped cream and licking it off of another persons nipple.