2nd knuckle 

A phrase used to describe the action of fingering a lady.

Remember that slag from the other night? Yeah I 2nd knuckled the bitch next to the bandit in the kebab house.

2nd knuckle by Chris Robertson August 17, 2006

Chocolate Knuckle 

when you do a frontal wipe and your knuckle accidentally touches the turd in the toilet bowl.

I can tell you forgot to wash your hands by the chocolate knuckle you have.

Chocolate Knuckle by Arty Partida February 28, 2008

Booty Knuckle

The skin or fold that the butt creates when standing up, and dissappers when bending over. Its the space between the upper thigh and the bottom of the booty. Common is girls with large behinds.

DAYUM! that girls ass is so damn big that you could hide a hamster in that booty knuckle!

Booty Knuckle by Brooke Is a SKANK August 19, 2009

Finger knuckle 

Pertaining to the appearance of Terry Nutkins' hand after an otter called Edal bit off his fingers. Not to be confused with Beadle hand.

A crap non-scary animal bit off my fingers, so now I have a finger knuckle.

Finger knuckle by ALCT June 30, 2012

funk knuckle

1: The smell resulting from anal fingering or from Mary Jane Rottencrotch.

2: Like a Boogan, etc.

1:"After having 3 in the pink and 1 in the stink, I had Funk Knuckle...so I gave Sara a Filthy Sanchez"

2: "John's being a Funk Knuckle"

funk knuckle by SuperFan January 14, 2007

Elephant Knuckle 

A elephant knuckle occurs when a camel toe grows to phenominal size.

Man screw camel toe, that things an Elephant Knuckle!

Elephant Knuckle by Loonybread June 1, 2010

deer knuckle 

Also known as a camel toe

That girl is wearing pants letting her deer knuckle show.

deer knuckle by p.a.409deda November 13, 2013