fudge knuckle 

When a sexual partner is fisting the other partner in the anus, and fecal matter, or more appropriately, "fudge" is left on the knuckles of the fister.

"I don't much care for fisting Lucy because I always get fudge knuckled."

fudge knuckle by NJ Pelli September 26, 2006

pig knuckle

when a womans bearded clam get hungry

silviu touched her ferocious pig knuckle

pig knuckle by tom ireland March 8, 2007

second knuckle deep 

When a person inserts the finger into the caboose till the second knuckle is hidden by the rim.

Chris goes second knuckle deep while wiping his ass, not on accident.

second knuckle deep by bigdaddyln June 10, 2008

smelly knuckle 

a synonym for digital sex, or "fingering" a girl

dude did you get much smelly knuckle at the dance lasty?

smelly knuckle by andy russo June 3, 2007

portuguese knuckle 

Sexual maneuver administered as a punch to the female genitalia, where the pinky knuckle and the pointer knuckle find contact with the anus and vagina, respectively (general delivery has been described as "Mike Tyson with a swerve").

Things were going great, but then I screamed 'harder!' and he gave me the Portuguese Knuckle!

portuguese knuckle by Carl Johnson Weathers December 26, 2010

knocking air knuckle 

aka KAK - Knocking Air Knuckle, used in conjunction with SKEECOO SKEECOO. A simple, but effective visual using one hand in the air in a motion that looks like knocking on a door. For an incredible effect, try a double knocking air knuckle. Wow, that would be something!

"I told Franny I would go over her house after work, but I'm not really diggin on her any more. I never go back on my word though, so I went over alright and gave her door the ol' knocking air knuckle and then busted outta there!"

knocking air knuckle by NookieJar October 16, 2009

moose knuckle 

when a women/man pulls up their pants to high they get a "camel toe" in slang a moose knuckle

"dude you got a moose knuckle I can see your flaps"
"Excuse me miss, but your moose knuckle is showing."

moose knuckle by George flumpalump September 14, 2012