knucklefuckle 

When two people go in for a handshake and one person puts up knuckles and the other person goes for a standard handshake. A fucked up handshake or a fucked up attempt at one.

The boss went to shake my hand and I gave him knuckles on accident. What a knucklefuckle.

knucklefuckle by DV8DUG September 27, 2017

knucklefuckle 

ramming a whole fist up one's anus, while jizzing on his/her genitals.

i totaly knucklefuckled that tramp last night in the hotel room.

knucklefuckle by shaggy2dope69muthafacko January 20, 2009

knucklefuck 

One who combines the attributes of a knucklehead and a fucker.

What the hell! Are you some kinda knucklefuck?

knucklefuck by David Nygaard January 30, 2005

knucklefucker 

A man who masterbates

John knuclefucked himself before he went to sleep.

knucklefucker by Dan March 2, 2005

knucklefuck 

to punch or hit, especially in anger.

Im gonna knucklefuck you if you dont shut the hell up!

knucklefuck by omegavolt June 9, 2003

knucklefucker 5000 

A dildo, preferably large and black attached to some rubber (or brass if you're that hardcore) knuckles.

"Man you should have scene that crazy bitch's closet. It was full of knucklefucker 5000's !!

knucklefucker 5000 by CanadianSyrupSperm December 9, 2017