Wiktionary
n. (man about town English)
Usage examples of "men about town".
Attilan, our Royal Princess's erstwhile lover, lives here on a quiet street popular with young men about town.
Close to him were Sir Andrew Ffoulkes, Lord Anthony Dewhurst, Lord Grenville and perhaps a half score gentlemen, young men about town mostly, gay and giddy butterflies of fashion, who did not even attempt to seek in this strange game of chance any hidden meaning save that it was one of Blakeney's irresponsible pranks.
He had a large capital of debts, which laid out judiciously, will carry a man along for many years, and on which certain men about town contrive to live a hundred times better than even men with ready money can do.
So by the time Boon and Mr Wordwin, the cashier in Grandfather's bank (he was a bachelor, one of our most prominent clubmen or men about town.