Fisticuffs 

To get in a fist fight. Bare knuckled fighting. At times said light heartedly. No weapons are used,

only your fists . An old fashion school yard scuffle

Magnús and Jóhann got into fisticuffs over who would be able to sit next Juanita.
The two longtime friends got into fisticuffs. Frankie growled to his buddy Seth ,"Put your dukes up! "I'm tired of your namby-pamby attitude and I'm about to knock some fire back into you."

Fisticuffs by Yankeedoodle76 July 28, 2019

Tactical Fisting 

The act of fisting oneself in order to prepare one's vagina for childbirth.

Person 1: "That bitch is so loose I bet her kids would just fall out."
Person 2: "I'd rather that than the pain of childbirth!"
Person 3: "You should be doing a few tactical fisting sessions then, it will make the whole process much more pleasant."

Tactical Fisting by pornhelps September 6, 2011

Banana Fisting 

'Banana Fisting' is where you get a hand of bananas and fist a girls pussy with them. This experience stretches a girls pussy really well (if you're into that kinda thing).

Person 1: Do you wanna know how bananas get the red tip on the end of them in the super-market?

Person 2: How?

Person 1: Well they begin the Banana Fisting Process on a woman on her Period.

Banana Fisting by EmergentAxis810 May 27, 2016

Triple Anal Fisting

The act of inserting three (not two or one, this is very important to remember) fists into your partner's anus. Please note that this partner can be male or female. Also note that it is highly recommended that the individual receiving Triple Anal Fisting treatment should wipe before hand.

A man had a scratch deep within his anus that could only be cured with the force of three different fists, thus reaching the state of Triple Anal Fisting.

Triple Anal Fisting by VixDix February 23, 2015

code fisting

A software development term describing the act of shoving large amounts of code at people where it isn't wanted. Often used in reference to large, untested, and/or unnecessary patches or commits to open source projects. Originally coined by Zed Shaw on website for the Mongrel web server. A reference to fisting.

"Dude, what's up with that thousand-line, no-tests commit you made? What the hell does it even do? It broke the build a week ago and you still haven't fixed it. Stop code fisting..."

code fisting by thewoolleyman June 14, 2009

Oral Fisting

When you put your fist or as many fingers as you can into someone’s mouth. Can be sexual, doesn’t have to be.

Oral Fisting is…
Person 1: Unhinge your jaw
Person 2: Ok
Person 1: (Processed to Oral Fist person 2)

Oral Fisting by Juanperezjr1111111 May 22, 2023

Urethral Fisting 

Insertion of the fist into the urethra of a male.

Jack usually likes to take it shoulder deep in the ass, but today he was feeling particularly raunchy and tried urethral fisting on himself.

Urethral Fisting by Spic Dickuloid January 22, 2017