Future Ted: [v.o.] What's a Woo Girl? Let me explain. A Woo Girl is a type of young woman, who, like the cuckoo bird or the whip-poor-will, gets her name from the signature sound she makes. Now, a woo can be elicited in many different ways. From a certain song coming on the jukebox, to half-priced shots, from a ride on a mechanical bull, to, well, pretty much anything.