(noun) Much like the females camel toe, the mouse knuckle is formed by a male having his pants to tight, showing his meat and two veg through his pants.

Mel: "Look at that guys mouse knuckle, he's not packing much"

or

Corey: "These emo pants are giving me a wicked mouse knuckle."

by distiller September 14, 2008
Get the Mouse knuckle mug.
Also known as the 'camel toe', this is the female frontal wedgie.
Check out the mouse knuckle on that chic. I can almost see her uterus.
by Perris Bueller May 3, 2005
Get the mouse knuckle mug.