What is Mule Knuckle?
1.
Is the equivalent of a camel toe, but for guys. When your shorts or jeans ride up your crotch and you can see your nuts making a distinctive shape similar to that of a mules knuckle.
"Look at that guy sitting over there, he totally has a mule knuckle right now"
See
Random Words:
1.
when a black man slaps his black cock on a woman's forehead
I gave that bitch a zulu hammer last night.
See black, zulu, hammer, ..