The term wingman originated from fighter jet pilots (we're looking at you, Cougar from Top Gun), but you've probably used it to describe someone tagging along with their friend to a bar. It turns out there's science behind why having a wingman or wingwoman works. As this video from AsapSCIENCE explains, you look better in a group than you do by yourself.
Also interesting? Women help each other avoid potential partners they're not interested in. So bring your BFFL with you when you go out this weekend. Worst case scenario, you'll have someone to drink or dance with if things don't go your way.