fisting 

1) The act of pushing one's fist into an orifice. It gives the feeling of some gigantic cock, apparantly, and is popular amongst homosexual males.

2) Repetitive punching to a pressure-point, usually with some sort of aid.

Fisting causes stretching, prepare to be loosened!

fisting by Gumba Gumba February 27, 2004

Fisting 

To punch with the part of your hand that's exposed or unpadded in MMA.

Dude Rampage was totally fisting when he dropped Chuck Liddell with that hook.

Fisting by MMATermCoiner February 19, 2014

fisting 

The act of inserting a fist into a man or woman's vagina or anal passage, often requiring a large amount of lubrication and leaves the ass with a prolapse

Last night was amazing, I ended up fisting Hannah's ass

fisting by Louis2016 April 1, 2016

Fisting 

1. 2 (also fist-fuck) trans. vulgar slang penetrate (a person's anus or vagina) with one's fist.

2. When a girl gets a fist shoved up her vagina. Hardcore 'fisters' will sometimes shove a fist up their ass.

When you go on pornhub and see the 'fisting' category

Person 1: Dude watch this girl get fisted!

Person 2: Holy shit that's impossible to do, i think im gonna faint...

Person 1: Look now!!! It's all the way in her ASS!!!!

Person 2: Fuuuuuuuuuuuuuuckkkkkkk...... *Faints*

Person 1: What... did you not like it? oh.........

Fisting by J.R.LG May 15, 2012

Fisting 

The act of inserting one's fist into the anus of another individual resulting in sexual pleasure. This act often occurs among homosexual males.

Billy began fisting Timmy during their orgy with Sammy and Tammy.

Fisting by Etrain November 28, 2003

fisting 

when u stick ur fist up someones pussy.

"she let me do fisting last night"

fisting by flamingflammingo February 18, 2005

fisting 

In fergus's mannor, uppercutting a vagina with such force the labia tremble for days after

So how does fisting work?

fisting by frosty fergus October 22, 2006