backstack and a half

a girl who has a big ass, almost big enough for two.

a favorite among buttlovers

Damn girl! you got a backstack and a half,

by snapcrackle February 4, 2009

Backseat bartending

The action of drinking alcohol or mixing drinks in the back seat of the car because buying drinks in the club is just too damn expensive.

"Lets go back to the car for some backseat bartending."

by TheRedCrayon November 14, 2011

Backseat Browser

Those annoying ass people that hang over your shoulder while you're browsing the internet and instruct you what to do WHEN YOU REALLY DON'T WANNA HEAR IT.

backseat browsers are so annoying!

by emilyunicorn888 November 9, 2016

BackSass

When someone makes a comment, and an outsider makes a snarky/negative remark for the sake of being a dick.

JEFF

I don't appreciate your BackSass, Jeff.

by therealbacksass August 15, 2017

Cosplay Backstab

To purposely choose a cosplay that a person/friend is very excited about purchasing/making.

Jess: Tim is totally cosplaying as ____
Mike: Fucking wanker, I'm getting _____'s cosplay in a month just got cosplay backstabed

by Ferae November 23, 2010

backseat preacher

When someone tells you what to believe in without going into any detail, or getting any consent from you to do so in the first place.

Man 1: "You have to believe that it happened!"
Man 2: "Stop being such a backseat preacher! I never asked to you to tell me what to believe!"

by Justin Wilkinson May 19, 2006

Backslash

To give a forceful thrust at someone or in someone.

"Wow, I would totally backslash HER mom!"

by Pappy Joe December 12, 2015