Knob snatching

"Knob snatching is a old art, once used to pleasure eachother, one another's partners would pull eachothers dicks, preferably the tip and this has to be a gay couple, in return, they pull until one gives up, although some may not accept this defeat, resulting in there dick being pulled off"

“They were Knob Snatching so hard they’re dicks fell off” said the professor teaching the lecture