v. 1. slang To spend your time idly or lounging about. The teacher complained that Joe was hanging out in poolrooms instead of doing his homework.
Compare: HANG AROUND 1 . 2. slang To live; reside. Two policemen stopped the stranger and asked him where he hung out. 3. To reach out farther than the part below. The branches of the trees hung out over the road. The upper floor of that house hangs out above the first.