The moment when your girlfried goes from being in a wonderful mood into her typical douchebag self. It almost seems as if a switch is triggered inside their heads to make them turn into a miserable cunts.
Tony: "Hey babe. Everything was going great this morning over breakfast at the diner, we had bacon, coffee, and lovely conversation. I couldn't have been happier. How come the minute your friends left and we get into the car you immediately turned on your fucking cunt switch?"
Girl: "Fuck you"
Tony: "Enjoy the scenic walk home, bitch. Get out!"
When your giving your girl doggie while having your mate wanking secretly in the background and, right before you are about to cum, your mate takes over and spunks in your girlfriend's face
Tony: Oh dude, I had the greatest night of all time with Ethan
Oliver: What did you guys do?
Tony: Ethan and I performed a cumswitch with my girl. It was so funny
Oliver: That is so cool. Can I do it with you sometime as well?
Tony: Mate, you're a tranny. Don't you remember?
Oliver: shit yea
A combination of the words cunt and spatula. A cuntspatch is a spatula that has been dipped in the fluids of the cunt. Getting cuntspatched means to be slapped with the dirty spatula. The word can be used as both a noun and a verb.