Gang/ɡæŋ/ Definition 1 of 4Pro Tip 1/3Social Group Used to describe a casual group of friends or people with a common interest. Let's meet up with the gang at the café later. Pro Tip 2/3Informal Use Common in informal language, 'gang' implies familiarity or friendship among the group. Our gang always hangs out on Fridays. Pro Tip 3/3Positive Connotation When referring to a non-criminal group, 'gang' has a positive, inclusive feeling. The whole gang got together to celebrate.