The phrase "go on the town" is a colloquialism that means to go out and party or engage in social activities. There are many synonyms for this phrase, such as "hit the town," "paint the town red," "make a night of it," "live it up," "have a night on the tiles," and "go out on the town." These phrases all capture the idea of having a fun and exciting night out with friends or loved ones. Whether it's going to bars, clubs, restaurants, or concerts, going on the town is all about enjoying life to the fullest and creating memories that will last a lifetime.