A seductive dance done mostly by a female in which the dancer rubs her ass provocatively against the back, legs, and ass of the backward's lap dancer's customer, for erotic purposes.
Have you seent my assistant? I need her at the door checking off the guestlist.
Oh yeah, she is behind the DJ booth giving the DJ a backwards lap dance.
What did you just do to me? I just gave you a backwards lap dance. I am your boss. Don't EVER do that again!
Ayyyye Mios Dios, I got pinche wasted
last night and gave every bar owner I'm friends with on Twitter a backwards lap dance.