v. To manipulate one's schlong in order to produce, or reproduce, or rereproduce an emission.
Hey, why did Patrick drink half a bottle of NyQuil?
-- Oh, he's attempting to whackterbate before falling asleep.
v, to masterbait repeatedly and without concern for who is watching, to whack off way too much, esp while your roomate is in the room
Matt Mabe whackterbates every day that I've known him.