A/the man about town
Definition 1 of 1
Pro Tip 1/3Cultural Nuance
Implies a stylish and socially active man who frequents places of fashion or entertainment in a city. 
At every gallery opening, you'll see him; he's quite the man about town.
Pro Tip 2/3Positive Connotation
Usually has a positive connotation, suggesting someone who is well-liked or admired for their style and social presence. 
With his charming personality and sharp wardrobe, he's the man about town.
Pro Tip 3/3Urban Context
Best used to describe someone in an urban setting, rather than rural or suburban areas. 
Living in the heart of New York, he's become the man about town.