Top Definition
The male version of the camel toe.
When Jeff wore his tight pants, a pork knuckle was clearly evident.
by Forbesy1242 January 16, 2008
2 more definitions
A Reach-around Hand-job from a homeless man
"I would have been here sooner, but I got a pork knuckle on the subway"
by Timothy Dundervaal January 21, 2013
Used abroad and means the same as camel toe.
Her shorts are so tight she has pork knuckles.
by The Dead President August 09, 2010

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