Black Fist 

Taking your fist and driving it up someone's ass until they shit on it.

I gave my girlfriend the black fist last night!

Black Fist by Nol0pwn April 10, 2015

back fist

When a person masturbates.

Boy back fist too much.
Yuh love back fist too much daaagggg....

back fist by Chad The Great November 21, 2016

Back my fist 

The jamaican term for masturbating.

Comes from the action made when doing so (the back and forth action of your fist)

*watching some porn*
"i think i jus goin go back my fist now"

"Dawg, mi a go home and back mi fist"
"YUTE! You need a girl!"

Back my fist by BobbySox June 19, 2009

back him fist

to masturbate, play with yu self

mi catch the boy john a back him fist

back him fist by rude_boy505 July 30, 2009

wanna back that up with a fist 

sumthing u say to a douche who is talkin shit and cant back it up, a.k.a 7-2

gay wanna back that up with a fist ill stab u wench ahhh im sorry

wanna back that up with a fist by Anonymous May 22, 2003

Blackfished 

The act of a corporation or business entity engaged in the captive cetacean industry suffering financial loss and/or loss of reputation by not adjusting their business model in the wake of the documentary, Blackfish.

Since the documentary Blackfish, at marine parks attendance is down and shares have dropped by 50%. They have been "Blackfished".

Blackfished by CaseyPup March 5, 2015

blacklist 

1. a list of banned or undesirable people

2. to put someone on a list of banned or undesirable people

It seems that there are too many counties out there that will blacklist you if you are a citizen and disagree with them.

blacklist by The Return of Light Joker June 16, 2008