Ed McMahon
A sexual move where one partner sticks his/her finger in the other's ass and say's "You are correct, sir!"
Dude 1: Dude what was with Tina today?
Dude 2: I gave her an Ed McMahon last night, she's been acting weird ever since.
Dude 2: I gave her an Ed McMahon last night, she's been acting weird ever since.