Knuckled On 

Knuckled on is the act of brown nosing with a boss or someone else of importance. It gets its meaning from the act of gripping someones dick. In extreme cases it is known as "knuckled on with both hands" denoting desperation in the act.

Look at the new guy! He's knuckled on to the foreman!

How did he get away with that screw up? He knuckled on with both hands and blew his way out of it.

Knuckled On by Richmeister August 13, 2014

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger.

Yeah, people actually do use this term, but they get it wrong mostlys.

The five finger, knu... aaawwww, fuck it. I whacked off.

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger. by Gumba Gumba March 15, 2004

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger

Masturbation.
In other words:
Choking the chicken
Choking the monkey
wacking off
jerking off
shaking hands with man's best friend
teasing the weasel

Dude, we all know that last night you did the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger.

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger by Alex Bahder January 27, 2006

five knuckle shuffle on the ol' piss pump 

Masturbation, jerking off.

My mom walked in on me this morning doing the five knuckle shuffle on the ol' piss pump.

five knuckle shuffle on the ol' piss pump by Jeff23 November 7, 2006

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger.

fucking ur hand intematly or hardcore

i do the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger way 2 often

the five finger knuckle shuffle on the one-eyed, blue-veined, purple-headed, custard-chucking, salty yogurt slinger. by chaseathon! September 22, 2003

knuckle shuffle on the piss pump 

jackin off

he got caught doin the knuckle shuffle on the piss pump

knuckle shuffle on the piss pump by skrats October 7, 2009

the five finger knuckle shuffle on the one-eyed, blue-veined, pink-headed, custard-chucking, salty yogurt slinger 

The process of masturbating

He was doing the five finger knuckle shuffle on the one-eyed, blue-veined, pink-headed, custard-chucking, salty yogurt slinger in his girlfriends car

the five finger knuckle shuffle on the one-eyed, blue-veined, pink-headed, custard-chucking, salty yogurt slinger by Silky Johnston June 9, 2006