Finger to the power of knuckle

When a finger is inserted up to the 3rd knuckle.
Dude, Gavin just told me Katie deceided to get a little freaky and go finger to the power of knuckle on him whilst providing oral pleasure.
by Street Lethal January 30, 2011
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knuckle valley

The space on your hand between your knuckles. Ben White invented this term.
I have a wart in my knuckle valley.
by bcwhite96 March 24, 2014
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