blackoff 

When you masturbate while black out drunk. It's actually quite enjoyable.

Example of a blackoff:

Timothy, "Man after drinking two four lokos last night I blackedoff"

Maroney, "How did you know?"

Timothy, "Well, I woke up with my pants around my ankles and jizz all over my stomach."

blackoff by Arthur Rhodes December 4, 2010

black off 

A contest between two or more people to find who is the most black (even if some or all participents have white skin)

White man: I'm more black than you

Black man: No, you've got white skin.

Person 3: "BLACK OFF"

black off by black_off873872y68464387394874 May 3, 2013

slap the black off of you 

A way to indicate slapping someone of African American decent very hard.

"Boy do that one more time and i'll slap the black off of you!"

slap the black off of you by Thiccsnacc December 4, 2017

backoff 

is a gyal with a nice bum

"That girl has a nice backoff"

backoff by Kid-P.I.M.P May 30, 2006

Black Off 

To masturbate whilst so terribly inebriated one experiences memory loss

billy: what does mr. idelpants do after a cocktail or six?

charles: he enjoys locking himself in his room so he can black off.

Black Off by the whirling dirvish April 24, 2010

Backoff 

Term used to describe a gurls batty. Word can be used to describe a gurl with an oversized backoff or a gurl with no backoff what so ever. Consequently, it is used by bre's to describe gurls with VERY BIG battys.

"raaaah cuzzie, dat gurl has one FAT backoff!"
or
"Dat gurl has one big off backoff init!
or
"llow it, dat gurl aint got no backoff u nah!"

Backoff by *choong ting*a.k.a baby backoff October 25, 2006

black off 

to masterbate or ejaculate to black people

My friend johnny really has a thing for black chicks, he bought a copy of hot chocolate magizine and a tube of vasoline at the conviance store and procided to imediatly go into the bathroom and black off.

black off by LMxDurgex December 24, 2008