Painting the town red is an idiom that means to have a wild and exciting night out. The crossword solutions BARHOPS (7 letters), PARTIES (7 letters), and TIESONEON (9 letters) all relate to this phrase. Barhops refers to someone who visits multiple bars in one night, parties are social gatherings where people can have fun, and tying one on is another way of saying getting drunk. All of these activities are associated with painting the town red.