Big 69er
Like saying 10-4 good buddy, only much more salacious.
Big Mac 69er
When a girl shoves a Big Mac inside her and the guy eats it out of her ass.
Guy 1: I think your girls on her period.
Guy 2: Nah, that’s just ketchup from the Big Mac 69er she did last night.
Guy 2: Nah, that’s just ketchup from the Big Mac 69er she did last night.