During sex in the missionary position you put your fingers in the females mouth and clasp
use this purchase as a holding point to pound away
at your lucky partner.
Can also be done while going
at it doggy style. Making it the "Rear Mandible
Guy 1: So you get lucky
with that girl last night.
Guy 2: Man, she was a filthy bitch. Made me mandible pound her. Then said
to be choked out.
Guy 1: Sweet.
Guy 2: Yeah. So then I switched to the Rear Mandible Pound for more leverage.