When a friend sticks his finger in a dirty asshole at a (gentlemen's place of leisure) and then swipes his finger across his unsuspecting buddies upper lip.
Brad was turning a double dirty sanchez on Benny after he went in the back room with Shamocha.
A sexual position for twofemales in which each lays on her back, one leg over the partner's, one under, pressing vulva together...I think this is just a "double v"...not a