backseat friend

An acquaintance you keep around in case you lose your better friends.

Matt is gone overseas. Now is a good time to reconnect with James (backseat friend).

by Jeff_the_warrior November 7, 2013

bacass

When a females ass is so flat, her ass crack proceeds to her back.

I can see your bacass leslie...

by ddisns March 16, 2015

Backseat Ben

Where someone cheats on his girlfriend with another girl in the backseat of his dad's truck.

Backseat Ben is a bad ass!

by Bentwatson June 25, 2016

Backseat car boner

When your sitting in the backseat and the vibrations from the road, engine, and the transmission give you a boner

I hate riding in the backseat, I always get backseat car boners

by Oujidon January 5, 2018

Backshot

A colloquialism used to describe a sexual position where the recipient of a phallic shaped object, in the “doggy-style position, gets thrusted into so forcefully, it causes the buttocks to jiggle.

She’s like when I give her backshots.

by MarkEdge March 19, 2023

Fat-Backs

1. The fat off of a swines back 2. A Fat & Wealthy Greedy Fucker/Person.

See the works/writing's of the late-great Hunter. S. Thompson(In his words as-well "The fat is in the Fire")

We'll show these Fat-Backs a lesson

by These_Goddamned_Animals January 21, 2010

yellow backs

Teeth that are white on the front, but yellow on the back.

Person A: I just finished brushing my teeth!
Person B: Did you remember to bush the back?
Person A: Nope!
Person B: Okay, but don't come crying to me in someone finds out that you have yellow backs.

by ChameleonDragon March 10, 2018