the act of throwing your own ejaculate at someone, most often at their face.
Monkeying, that's shitting in your hand and throwing it at someone.
Buttercupping, thats farting on your hand and cupping it over someone's face.
Punking, that's the apotheosis of bodily fluid weaponization.
"Aaaaargh, my eyes!"
"You just got punked, bitch."