The Full Duplex happens when, during anal sex, as the penis strokes in shit oozes out around it and/or into the urethra.
See: full duplex transmission
See: full duplex transmission
I warned Jared against pounding Stacy in the brown eye after she'd just eaten a Grand Slam at the Denny's in Bloomington. I told him he'd likely end up doing The Full Duplex.
by Quicksave August 12, 2021