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"
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Random Words:
1.
A male endowed with a thick and heavy penis
That bloke is hung like a spanish curtain
See hung, genitals, large, endowed..
