Shart-Knuckle 

When you get fisted and shit comes out onto the hand

I once shart-knuckled a girl and her asshole exploded violently.

Shart-Knuckle by acquainted fetus March 25, 2024

dung knuckle 

When you wipe and the toilet paper rips and your bung touches your knuckle leaving a small layer of shit

Person 1: Damn bro you have gnarly dung knuckle!
Person 2: damn didn’t think you’d notice. I thought it always felt a lil nice.

dung knuckle by Pepper249 March 30, 2024

Finger Knuckle Massager 

A cover up word for a jerking off machine for the lonely motherfuckers who cannot get bitches

Hey bro you want a finger knuckle massager. It relieves your pain super fucking fast.

Finger Knuckle Massager by thegchad May 18, 2024

five knuckle sandwich 

hands used in barehanded boxing aka fisticuffs

So, the gloves went off and we engaged in fisticuffs feeding ourselves five knuckle sandwiches until one of us saw stars
After the argument I just fed him a five knuckle sandwich

five knuckle sandwich by Koltinn May 18, 2024

Bare-knuckle hand-pull 

A specialty service provided by many Korean massage parlors

“Yo, the cops just raided that Korean massage joint around the corner!”
“For real??”
“Yeah, they got busted for serving out $15 bare-knuckle hand-pulls.”

Bare-knuckle hand-pull by Lopsin June 22, 2024

monkey knuckle 

Femboy Moose Knuckle

Wow that little man has a monkey knuckle

monkey knuckle by Bucket107 June 22, 2024

Road knuckle 

The act of finger banging a woman whilst traveling on a roadway

Denise was driving down the road with marty. Marty got fresh and decided to give Denise some road knuckle

Road knuckle by Constant Hat July 11, 2024