Free Drinks Shirt
A top that women who are extremely top-heavy wear in a club or a bar in order to get men to give her (and many times her friends also) drinks for free.
Girl A: Hey girl, are you ready to hit the club?
Girl B: Almost. Lemme just put on my free drinks shirt so we don't have to buy our own.
Girl B: Almost. Lemme just put on my free drinks shirt so we don't have to buy our own.