A south Pittsburgh term for the open leg shakepeople with balls do to unstick them from the thigh. Named after Jimmy, a talkative guy who hangs by the cvs on fith ave.
"It's so hot out, I've gotta jimmyshangle every 20 feet"
A penis that is so unappealing that you wake up the next morning feeling like you shouldn't have taken that wiener. Much like the after feelings of eating a chimichanga.