backcut 

Term used in school where a kid is in line for the beanery, cafeteria food, or vending machine, and you allow a friend to cut behind you to skip the other students in line to avoid waiting longer.

Can be used for anything else where kids are lining up to purchase something.

Dude let me cut you!

You can backcut me.

backcut by Shock Smoove January 18, 2011

blackout or backout 

The point in the night where you must decide to either stop drinking (back out) or drink past the point of remembering what happened (black out).

(via TFLN)
she keeps giving me cups of everbeer.. its everclear and beer mixed. i guess its blackout or backout time

blackout or backout by bytesmith January 27, 2011

backcunt 

english slang,vulgar
another name for a mounted policeman,a police officer on horseback.
What animal has a cunt in the middle of its back ?

a police horse !

im out on the piss tonight tom ,you coming out ?
no last night i got nicked by a backcunt ,he stuck me in a cell overnight for pissing in someones letterbox.

backcunt by Adam the definer ! June 18, 2015

the great backout of 2003

A major blackout in the northern United States and Canada that occured on August 14 which left millions of people without power and in the dark for over 20 hours

I survived the Great Blackout of 2003

the great backout of 2003 by MyFavoriteYearIs2003 August 7, 2005

backscuttle

Verb - To engage in sexual intercourse with your chosen partner from behind,doggy style

"I picked up some blart at the pub last night,took her home and backscuttled the tart.

backscuttle by Uncle Len April 25, 2004

Backoutter

A person who likes to back out in every transactions or promises.
Someone said to buy/trade items but pull out in the last minute.

"Ken said he is going to buy that game, but instead he backed out, what a backoutter!"

Dave: "I am going to buy that doll for a girl if you buy one too."
Me: "Sure I can do that."
Dave: "Wait, I am not going to buy it."
Me: "What a backoutter...."

Backoutter by xxlilDevilxx May 28, 2009

backbutt 

This is when you can't tell the difference in a girl's back from her butt. Flat butt, pancake butt.

She got a backbutt.

backbutt by anRobot April 5, 2017