This is when you fist someone and end up completely covering your hand in shit, literal shit
Dad: You have fun with your girl last night?
Son: Yeah but I ended up getting Coco knuckles
Dad: What is that like a sweet treat?
Son: Sure dad, sure
The shape made at the bottom of a mankini. Female versions include the "moose knuckle" or "camel toe".
That Bruce Knuckle makes me not want to assume the gender of that dancer.
Damn look at tyreesha’s double moose knuckle , it could swallow a house
When a woman (sometimes a man) wears short shorts and the bottom part of her buttcheeks are showing. Mainly the part where the cheek meets the leg.
"Wow check out melissa in those short shorts you can totally see her ass knuckles!"
When you grab yo shit so hard while strokin' it your knuckles turn white
"Yo bro I was White Knuckling it last night."
When a male is masturbating and the jizz runs down over his knuckles after he has blown his load.
Mike needed half a box of Kleenex after throwing one over the knuckles.
Rings that you put on your fingers which have pointy spikes on them.
Bring your knuckle spikes, and let's fight.