When you are having protected sex with someone and you, rather sneakily, remove the condom and blow your semen inside them, whilst declaring loudly to the victim that they have been "spunk punk'd."
Girl: You fucking prick, did you just come inside me!
Guy: Tough titties bitch. You have been Spunk Punk'd.
Guy: Tough titties bitch. You have been Spunk Punk'd.
by Smelly big jimmy September 9, 2018