A sexual maneuver, during which the man is taking the woman from behind. He exclaims that he is about to cum. Then, once the female turns to face him, he shoots his load on her face and then throws a handful of confetti or glitter at her.
Friend # 1 - "Wow!! Did you guys here about Tom and Cindy the other night?! They were bumping uglies and he decided to throw her a little surprise party."
Friend #2 - "No! You don't mean he gave her a Confetti Shot?!"
Friend #1 - "Bam! Right in the kisser."