knuckle valley 

The space on your hand between your knuckles. Ben White invented this term.

I have a wart in my knuckle valley.

knuckle valley by bcwhite96 May 4, 2014

knuckle flowers 

Fisting someone (usually a threat)

I'm gonna give you knuckle flowers if you don't tell me the truth!

knuckle flowers by Lerner May 17, 2014

Knuckle party 

A more low key/tame version of a fisting party.

The Mega Crew decided they didn't want too rough of a night, they settled for a knuckle party.

Knuckle party by JarJeff December 13, 2014

knuckle tat 

A trashy placed tattoo that could be a lot more original

Did you see his knuckle tats? How distasteful

knuckle tat by let's.be.honest December 28, 2014

knuckle bag 

A ball sack that looks like a chicks camel toe.

Damn that's hot look at his knuckle bag, I wouldn't mind slapping that around ever once and awhile.

knuckle bag by Rbomb04 April 2, 2015

knuckle butter 

When you fist a girls asshole then switch to her pussy and the butt/pussy juices mix to create a tan frothy cream.

"After I fisted my girls butt i switched to da pussy, my wrist was drippin with knuckle butter son!"

knuckle butter by IAbmx May 12, 2015

knucklerat 

Anything you could possibly imagine

Can be used in any context

It is mainly used as in insult such as

Dumbass

God i hate trevin he is such a knucklerat

knucklerat by Adub11797 November 18, 2015