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 !!

by CanadianSyrupSperm December 9, 2017

knucklephuck

A knucklephuck is someone who jacks off with a tightly closed fist. Seemingly strangling the penis. It is also slang for guys who think or seem to think with the smaller head.

Will you just look at those 2 knucklephucks? They don't have a clue as to what they are talking about.

by MrMJaye2U September 29, 2018

KnuckleDunker

When undergoing intercourse, your hands will be represented as the famous basketball. It is up to the opposite partner(s) to decide which given “hole” is the basketball hoop

Im looking forward to a good knuckledunker in my ass

by PenisPenisPenisPenisNigger April 19, 2020

Knucklebuster

During intercourse, a finger is inserted knuckle deep into the recipients anus.

He gave her a knucklebuster.

by sheer rage. August 21, 2011

knucklebuster

One who masturbates frequently

Bob often thought about his sisters friends when he masturbated;he was a total knucklebuster

by Alastair636 April 28, 2006

knucklepuck

a hardcore band that has unusual/goofy lyrics,
that often make no sense,
yet seem to tickle your senses and make you laugh.

a well-known song by knucklepuck is...

"TEAM ICELAND"

by Nathalia November 12, 2006

knucklebuster

Adj.

Usually pertaining to butch lesbians, a knucklebuster is someone who forcefully, and rapidly inserts their fingers (usually 2-3) into a woman's vagina, and in doing so they injure the joints of said fingers. Medically speaking, it's usually a small strain in a joint, not a knuckle, but the nomenclature holds steadfast.

A derogatory reference to a lesbian, or a girl who won't put out right away

The direct result of hardcore "fingerbanging"

Dude A: Did you hook up with that girl?
Bummed Dude: No, she was a goddamned knucklebuster

by Spacetits May 4, 2006