a socially active, sophisticated man who frequents fashionable nightclubs, theaters, restaurants, etc.; playboy; boulevardier.
Origin
1775-85
British Dictionary definitions for man about town
man about town
noun
1.
a fashionable sophisticate, esp one in a big city
Idioms and Phrases with man about town
man about town
A man who frequently attends fashionable social functions, as in Fred is quite the man about town these days. This expression, first recorded in 1734, uses town in the sense of “a sophisticated place” as opposed to rural settings.