One who runs around completely naked through a chicken coop, punching, and raping all the animals inside. Usually done by drunken hillbillies, occasionally done as a dare.
"I think Earl is a knuck flucker. I can hear the chickens..."
by JakE May 9, 2007
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A person that does the wrong thing all the time and never learns from their mistakes. They love to blame others and never take responsibility for their actions.
Can you believe that knuckle knuck larry is drinking and driving his motorcycle again even after his 2nd DUI. He's always gotta learn the hard way.
by jimmybomm May 4, 2020
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1) Greeting one's friends or co-workers from a distance using a fist bump. The air in between is the connection like WiFi.

2) The act of celebrating an accomplishment or task.
"What up Ray Ray?” “ What up E?!"

“Yo, Homie I got number one fantasy pick!” “Wi-Knuck!”
by Apex Mane April 1, 2016
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the knuckle in your half-erect penis when bent backwards
I was about to bang this chick until she saw my cock knuck, instand deal breaker.

My grandma saw my cock knuck the other day...

In the morning I get a mean cock knuck.
by dem mooseknuckle boyz April 18, 2012
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When a man wears pants so tight that you can see his separated testes, popularized by Ben and Adam of the wonderful podcast Greatest Generation
That's a weird, alien planet where all the men wear flashy pants. All these guys are rocking knuck.
by FoofooThaSnoo June 18, 2019
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Usually done in a fit of happiness or celebration. One individual attempts to execute "knucks" while the other goes for the high-five and the two gestures meet. Almost always followed up by a few moments of uncomfortable and awkward tension. Also known as the "high-knuck"
In the midst of their celebrating, Tom went to give Bob knucks while Bob attempted a high-five resulting in a knuck-five.
by Rhyn0989 February 19, 2009
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