dirt knuckle 

(Noun) The result of poor quality toilet paper when moderate force is used to wipe one's butt

(Noun) A person who regularly sticks their finger in a butt for personal pleasure and/or the pleasure of others e.g. "dirt knuckler"

(Verb) The inadvertent act of penetrating the toilet paper while wiping a butt e.g. "dirt knuckled" "dirt knuckling"

I got a nasty dirt knuckle after crapping on a plane.

There he goes with his finger in his butt again. He's such a dirt knuckler.

Guess I wiped my butt a little too hard because I ended up dirt knuckling.

dirt knuckle by Mr. Dirt Knuckle October 21, 2009

pong knuckle 

to get a young ladie under the doona take here panties off and put your hand in her up to your knuckles

syd said to grandma come under the doona im goona give you a good old fashion pong knuckle

pong knuckle by bosch June 5, 2004

Buck knuckle 

When a guy tucks his balls up in the front rather than the back producing a camel-toe... or a moose knuckle otherwise referred to as a "buck" knuckle being that a BUCK is a male.

"Holy shat... he tucks his balls up in the front... looks like a camel-toe" ..."No dude, that is a buck-knuckle.."

Buck knuckle by Van March 4, 2005

Mongolian Meat Knuckle Sandwich 

Testicle skin getting stuck between braces while teabagging your partner.

Karen realized too late. Hector was the victim of a mongolian meat knuckle sandwich...

Mongolian Meat Knuckle Sandwich by Canadian OG October 28, 2008

cock knuckle 

a cock that has been abused to the point that it bends like the knuckle of a finger. also can be used as an insult.

"man, tobin wacks it so much that he has a cock knuckle!" or, "man, tobin stole my top ramen. He is a cock knuckle!"

cock knuckle by tobinwoodferleman October 6, 2005

Knuckle Cheese 

The cheese that gathers on your knuckles when you're eating anything cheesy.

"Damn, I can't go to the prom with all this knuckle cheese on me. Guess I'll have to lick it off. Waste not, want not says the lord."

Knuckle Cheese by Viktor "Zero" Attica January 31, 2009

five knuckle chuckle 

a slang term used for male masturbation.

"what took you so long, were you out back doing the five knuckle chuckle?"

"she was so hot, I had to do a five knuckle chuckle when I got home."

five knuckle chuckle by Maddie McGregor January 20, 2008