Katy Perry sensation
Named the Katy Perry sensation after her hit single Hot'n'Cold. The Katy Perry sensation is the action of putting your hands down your pants and the sensation of putting your cold numb hands around your warm genitals to warm up your hands, but causing shrinkage to your nutsack.
Person 1: Bruh, it was so cold last week!
Person 2: I know, at one point I had to use the Katy Perry sensation in public!
Person 2: I know, at one point I had to use the Katy Perry sensation in public!