rude slang A male exhibitionist who exposes his genitals to other people in public; a flasher. I heard that one of the teachers was arrested for being a weenie wagger. A: "You be careful when you're up in New York City, you hear? The place is crawling with junkies and weenie waggers!" B: "Chill out, Mom. You've been watching too much TV."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.