Top Definition
To use the knuckles of the hands of your partner as a kind of stimulant for the male genitalia. proper procedure would be to cross your wrists so that the back of your hands are facing one another and to rub your hands back and forth as if to be rolling pizza dough.
"yeah man you've never had a Knuckle-Job?"
by Jonathon AAA June 11, 2008
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