back-up bitch 

The next person in line that you ask to do something with after your preferred person isn't able to.

guy 1: "My girlfriend can't make it for lunch with me today...do you want to go?"
guy 2: "What, am I your back-up bitch?"

back-up bitch by RNPS September 6, 2007

back-up friend

an acquaintance that is only spoken to when all of one's real friends are absent.

A: Why were you talking to Erik that other day?
B: Dude, he's just a back-up friend. nobody else was around worth talking to.

back-up friend by assgoblin82 February 3, 2007

Back-up Friend

A friend who isn't really part of the group, but who you hang out with when the rest of the group is gone.

Why isn't Kailyn paying any attention to Meggie?

Oh, Meggie's just her back-up friend. She's talking to Ashley right now.

Back-up Friend by Sleet October 22, 2009

Back up the brink's truck 

A term said by Chris D'elia, it's when one strives to make so many stacks of cash, that they would need a brink's truck for it. The more stacks one makes, more backup for said brink's truck

Guy 1: "Why does Adam Sandler star in such awful films?"
Guy 2: "Hey, gotta back up the brink's truck somehow baby!"

Back up the brink's truck by T2425 June 22, 2018

back up barroom brawler 

that sexy bitch you take home for some wild animal sex

dave: hey mike, why all the cuts and scratches?

mike: i dont want to talk about it dave. i had a rought night with my back up barroom brawler.

back up barroom brawler by concerned public service announcement January 14, 2008

Back Up Off My Tip 

A command, or request from one to another to get out of ones bussiness, or to stop bothering one.

1. Stop Bothering Me
2. Stay away from me
3. Im busy, leave me alone

Non sexual ^

Nate: Back Up Off my Tip!
Everyone else: Uhhh... eW?

Back Up Off My Tip by Nate Sexton March 5, 2004

back-up bitch 

Person you invite to go somewhere when your preferred person cannot go. Can be male or female (non-gender specific).

"You can't make it? I better call my back-up bitch!"

back-up bitch by Rob Norment December 15, 2008