The phrase "goes to town" typically means to make a concerted effort to accomplish something. Antonyms for this phrase might include "idle away," "waste time," or "procrastinate." Contrasting with the sense of urgency and productivity that "going to town" suggests, these antonyms imply a lack of motivation or desire to be productive. Another antonym for "going to town" might be "relinquishing control" in that the former implies taking charge and setting goals, while the latter suggests surrendering control and allowing external factors to dictate one's actions. Regardless of the specific antonym used, the phrase "going to town" has a positive connotation, so antonyms are likely to connote negativity or lethargy.