1.Fig. [for something or a group of people] to hold together; to remain intact. I hope our bridge group hangs together until we are old and gray.I don't think that this car will hang together for another minute.
2.Fig. [for a story] to flow from element to element and make sense. This story simply does not hang together.Your novel hangs together quite nicely.
3.Fig. [for people] to spend time together. We hung together for a few hours and then went our separate ways.The boys hung together throughout the evening.