A circle of men pleasuring each other sexual with hands, whilst simultaneously maintaining casual conversation.
Hey Tom. John, myself and a few other co workers were totally gabblejacking about the days earnings
by swamptemle January 2, 2015
One who talks continously while masturbating, either oneself or others.
Bring your earplugs she's a real gabblejacker.
by solomonk February 12, 2008