brown knuckle 

Shit on your hand or knuckle when wiping one's ass.

While wiping I got a case of the brown knuckle.

My roommate had brown knuckle on his finger.

brown knuckle by john January 19, 2004

Brown Knuckle 

When some one wipes their ass and their thumb knuckle hits their asshole before the toilet paper does, causing them to have shit on their knuckle.

Tom had to use extra soap to get off the brown knuckle.

Brown Knuckle by Iambetterthanu February 14, 2008

Brown Knuckle 

To fist another's ass.

Heather bent over amber, made a fist and gave her a brown knuckle.

Brown Knuckle by Brown Fist October 6, 2003

brown knuckle sandwich

five fingers clenched right up Uranus....

clench your buttocks tight, the big brown one is coming right up!

brown knuckle sandwich by Corfy josie April 27, 2006

Shit knuckle brown 

when you wipe your ass and miss hitting your knuckles instead....you get shit knuckle brown

that color is shit knuckle brown!

Shit knuckle brown by Tigerlily73_99 July 30, 2009

brown slut knuckle

This rare experience occurs when you are fisting a girl and your fist comes out brown, and you then realise that you were in her ass instead of her puss. It is usually bad news for all involved.

Mate1 - "Hey mate I was trying to fist a girl in the puss last night and I ended up with a bit of brown slut knuckle"

Mate2 - "oh well, there's plenty more fish in the sea"

Mate1 - "actually she liked it... bit stinky though"

Mate2 - "nothing a bit of shower in a can wont fix"

brown slut knuckle by bobby rooney May 23, 2008

brown knuckles 

The failed act of fisting, due to lower intestinal blockage.

Jimmy want to fist his girl, but she was to full to engage, leaving Jimmy with a nasty case of the brown knuckles.

brown knuckles by Jimmy May 13, 2003