A sexual act in which one inserts a banana into the anus, then proceeds to have vigorous anal sex until a fine frothy mess of banana and semen is created. The recieving partner then pushes the mixture out into their hand and throws it at the other person(s).
I hope I don't get pink eye after she nailed me in the eyes when we were doing the Frothy Monkey last night
by Frothiest Monkey September 4, 2022