Toe knuckle

The bones in the toe

Don't crack your toe knuckles

by Knowledge is a blessing May 24, 2020

Fuck-Knuckle

The knuckle of the hand that was used to fist the dirty asshole of another man

This particular knuckle on this particular hand has seen more ass than you will in your entire life-a genuine fuck-knuckle

by Breadstick Octahedron October 10, 2017

titty knuckles

When your titties are as hard as knuckles.

Man, he has a case of titty knuckles.

by John_Wick May 01, 2018

Knuckle under

To not put up with, tolerate or endure.

"He is was looked at in awe for his disagreement to knuckle under"

by justjae1114 February 11, 2022

the knuckle cluster

when you fist someone with a handful of popping candy

I gave Ellis the knuckle cluster behind maccies last night

by bigjigga69 May 22, 2021

throw knuckles

to street fight, throw hands, box, or brawl.

Dam my hand hurts...we'll that's what happens when you throw knuckles!

by kickback14 January 31, 2014

knuckles out

When a man chooses to masturbate by grabbing his cock with with his palm facing down and back of his hand hand facing up, as if he is pulling rope out of his groin.

Lawrence gets so horny, sometimes he just has to go knuckles out and give his member an epic tug.

by SkippyD July 13, 2019