When 2 men, presumably gay, engage in oral sex simultaneously. One man on top with his rocket in the other man's mouth and the other man on bottom with his member in the man on top's mouth. This also works for a man and a "pre op" transgender man since they both will still have pleasure knobs.
Chris: What do you want to do tonight babe?
Tyler: Lets start with L7 before you pound me out.
Chris: L7? Dibs on bottom.
Tyler: Lets start with L7 before you pound me out.
Chris: L7? Dibs on bottom.
by Jinjaweed March 17, 2018