to do something in a detailed and enthusiastic way, especially by spending a lot of money: They've really gone to town on their wedding.

What does go to town mean slang?

to do something very well, or to make something look very good by spending a lot of time or money on it. They really went to town on the Christmas decorations.

What does it mean to go town?

If you say that someone goes to town on something, you mean that they deal with it with a lot of enthusiasm or intensity. We really went to town on it, turning it into a full, three-day show. [ + on]