The exact spot on the shaft of a crooked penis where it changes direction.
Crooked-dicked JimBob could make Tammy Sue cum everytime because his Hog Knuckle hit her G-spot just right.
A jack off. Or, ejaculation caused by masturbation.
"Quit being a knuckle nut and come help us". Or, "I had a knuckle nut in the shower this morning".
As a noun:
A moose knuckle/camel toe presenting itself on the beach. Sandy.
Wiped out by a wave and washed up on shore with a sandy beach knuckle
The act of ejaculation or masturbation. Rooted from the trifecta of knuckles that surrounds the end of a penis during masturbation.
"Hey man I'll be over in like 5. Just gotta go knuckle-off a few."
"That girl was such a tease, but whatever. I'll just knuckle-off a few when I get home."
To violently finger fuck a girl or to ultimately become knuckle deep in her vagina while furiously finger fucking.
Dude! I was knuckle beefing that girl from the party last night so hard.
The sexual act of placing ones penis in an area that the other is unfamiliar with the penis being
Dude My girlfriend wanted an iron knuckle last night.
A popular meme starting in January 2018 involving a chance experience caught on the popular game "VR Chat" in which a man's voice comes through a badly 3d modeled tiny knuckles character asking the pivotal question,"Do you know Dr Wey?"
I just found another Ugandan Knuckles meme and I still don't get it.