Back that up

Expression used to show thanks or appreciation for something someone has done for you or it can be used after a business transaction has taken place.

Person doing favor: I got that green you wanted.

Person receiving favor: Back that up dawg.

by RAD-DADE February 23, 2009

back alley parkin'

Occurs during the act of "doggy-style" sexual intercourse. When the giver attempts to enter the receiver's anus, without first requesting permission to do so. Usually resulting in the incompletion of said act.

"Homes trying to slip in, a back alley parkin' job on his woman. But she revoked his driver's licence!"

by D. Gould January 6, 2006

back shots

a sexual act; to "hit it from the back"; doggy style

"Givin' her back shots and got money out the ass" 50 Cent (Missy's Work It Remix)

by chynabell2003 October 1, 2003

Back of Book

Car business term for when a dealer owns a used vehicle for less than Kelly Blue Book wholesale value.

"We are five grand back of book in that Intrepid, go show them that one."

by Brian Krok July 10, 2007

Back Warmer

A female passenger on a motorcycle. Can also be a male passenger.

My wife enjoys riding on the Queen Seat and being my Back Warmer. We enjoy long rides together on weekends.

by talk2me-JCH2 April 24, 2021

back rack

The back fat directly behind the titties on an obese woman, her back tits.

"OMG look at that back rack, thats disgusting, its coming after me!"

by theonetheycallthevisionthatbaresthegift April 4, 2005

back nipples

The two bumps created by a girl's bra strap on her back.

Her back nipples smelled of butter

by Yeggypan McDormand June 15, 2008