BoJacking 

The act of smoking a full joint/blunt, by oneself, in one sitting. References a scene in BoJack Horseman in which a very young BoJack is forced to smoke an entire cigarette.

I’m totally BoJacking one of those pre-rolls later.

BoJacking by coolgirlmars November 5, 2022

Backing your fist 

(Vulgar) Jamaican slang
Refers to the act of pulling the penis back and forth with the hand in the shape of a fist, usually till ejaculation occurs.

To masturbate or jerk off

Everyday, a big man like you just stays at your yard, backing your fist. Waste man style that, dawg!

Backing your fist by Tropical Rythms August 2, 2020

mans backing

to be someone elses bodygaurd, to stick up for them if someone else starts on them.

bob: come then bruv i'll bang
dave: nah you won't boi i'm his mans backing

mans backing by howard666 April 7, 2011

boot blacking

BDSM - Boot blacking is the, (predominately submissive), act of polishing someone's leather boots/shoes. The boot blacker may carry a kit with him/her to shine the leather, or they may use their own spit.

He has a boot blacking fetish.

boot blacking by MistressAliDom July 25, 2017

brown backing 

After any group or groups of persons, gay or straight, engage in anal intercourse, the man who's penis has been inside the other person's rectum, uses his now fecal covered penis to draw a picture, using the person's fecal matter, on his or her back. Sort of like a poopy game of Pictionary. The draw-ee, as it were, tries to guess what the draw-er is drawing.

"So check this out Bro, Josh and I were Brown Backing last night and he drew the logo for the Chiefs on my back! I totally got it before he was even finished! Brownbacking Kansas Governor Sam Brownback brown brown backing brownback

brown backing by Momma Rugburn February 11, 2015

blacking off 

When you have drank so much alcohol that you are blacked out and decide to masturbate to no avail, and not being able to remember

I walked in Matty O's room last night and he was blacking off

blacking off by State O State December 9, 2008

Bumjacking 

A euphemism used by 90's Australian primary school children to refer to anal intercourse, usually with negative connotations.

Boy 1: oi where's Ricky? he's missed school for weeks.
Boy 2: nah yeah I heard he got a bumjacking by the principal for stealing deano's tuckshop money, apparently Rob from 6A saw him in a wheelchair on the weekend.

Bumjacking by GolfGTI5 May 18, 2019