When a man ejaculates into a woman's vagina, and returns to eat it 4-8 hours later, depending on the season.
Lance: "We're going out for burgers, wanna go?"
Gary: "No thanks. My old lady let me give her the crockpot
When a man wraps his legs around a person's neck (from a lower position) and thrusts his balls upwardly into their mouth.
Janet: "Mitch, wait, what are you doing?"
Mitch: "I call it the reverse teabag."
Janet: "Oh I.... mrumph, mrumph, mrumph."