down doggy style
Doggy style, but the girl is lying down, her bootay dancing in the air, and the guy is on top, thrusting away. The hottest position ever. Perhaps popularized by Kardashian's sex tape.
A: We started going at it down doggy style, but it was too much for me, I blew my load in under 5 seconds.
B: You're gay.
B: You're gay.