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1.
to move hand over taint and lower tescicle area and apply or administer to a unsuspecting persons beverage, perfurably the lip area.
mikes being a total ass hole tonight so i jocko'ed his budwiser, watch him take a drink
by stoph December 06, 2003
 
2.
When you rub & scratch your sweaty, musky nutsack & then smear your hand around the rim of someones drink.
He was talking shit so when he wasn't looking I jocko'd his beer.
by Doyle February 11, 2004