Extended Back

When a chick has no booty.

Guy 1: "Damn bruh, that female has NOOOO ASS."
Guy 2: "Honestly bro, she has an extended back."

by JSav November 29, 2014

Black in Back

The act of preforming anal sex in the back of a car with a black man or woman, while the track, "Back in Black," by ACDC is playing through the stereo system.

Tom: Why couldn't you make it to Jordan's party?

Matt: Don't tell him, but I was giving his mom a Black in Back

by TheRealMickeyD June 13, 2012

Back Cuddle

Anal Sex!

"I gave her a back cuddle"

by Acer99098 February 6, 2010

Shit-Back

Usually a kickback with a-lot of dudes getting stoned and drunk with no girls fun but lame.

Dude I don't want to go to eddies again it's bout to be a Shit-Back

by T-Rav-IS April 13, 2007

back scrape

The unfortunate circumstance that occurs when a male is receiving oral sex and the person giving the oral sex accidentally applies teeth to the man's penis. Typically, this occurs when the penis is exiting the giver's mouth, hence 'back' scrape.

Last night I hooked up with a chick and, when she was sucking my dick, I

was the victim of some unfortunate back scrape.

by guy who likes to make it rain December 22, 2010

Bull back

Smashing a girl doggystyle and reaching over her head, putting two fingers in her nose, and pulling her head back...put in a woah girl if she struggles

Last week I gave Susan the bull back still she started kicking

by Erick shockwave April 28, 2017

rail back

illegal immigrant that hangs under trains to get into america.

i think i picked up a few rail backs on my way back to america

by peter yanker May 11, 2009