8
Simply put it is the male equivalent of a woman's camel toe. Usually caused by the seam of tight but thin leg wear such as spandex, the testicles and penis form two bulges on opposite sides of the seem that vaguely resembles the hoof, or "knuckle" of a moose. hence "Moose-knuckle"
Jon didn't wear underwear under his skintight Peterpan costume, and everyone could see that he had a moose-knuckle.
by ChicagoBrian June 15, 2011
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9
A woman with big pussy lips - in small clothing looks like she's got a mans package.

Also refers to an ugly vagina. The more beat up the vagina is the more it looks like a mooseknuckle. Loose vagina
Aaron: does yana have a cock?

Rob: naw, shes got some huge coochie flaps aka Mooseknuckle

Aaron: wtfh??

Rob: her shit is loose - beat the fuck up!

Rob: her shit is as big as her forehead

Aaron: word
by Nontoxic March 31, 2010
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10
Hey... look at that guys, Moose Knuckles... Gross!
by Nastynae June 09, 2009
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11
Camel-toe's fatter, uglier, sister.
Guy 1: See that chick's camel-toe?

Guy 2: Camel-toe? Dude she was so fat she had a Moose-Knuckle!
by mattman_v1 September 08, 2010
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12
a camel toe on a woman of native North American ancestory.
I was walking down 20th street and saw an Indian chick in tight jeans with a wicked moose knuckle!
by saskotis January 10, 2006
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13
when an obese lady has camel-toe
that camel to is so big its like a moose knuckle
by bob joe's May 07, 2012
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14
The appearance of beef curtains on the outside of a ladies britches. Cause by tight pants and a super fat pussy.
Lookit the mooseknuckle on that cum chuggin' gutter slut.
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