A no longer functioning penis.
Hey, Sephy's Jimmy whack!
N. A crass yet novel insult asserting that a person is, in essence, the personified act of male masturbation. Best used in moderation and in lieu of traditional slander due to its absurdity and memorable sting.
1 .Hey Jimmy Whack, what are we wearing tonight?
2. Did you see that guy cut in line? What a Jimmy Whack!