colloquial. man (also woman,etc.) about town and variants: a person who mingles in the pursuits or society of the town; spec. one who is…

A person who enjoys a hectic social life; one who indulges in noisy and riotous entertainments.

a person who goes to many social events; a person most comfortable in social situations; a socialite.

A person who is prominent in fashionable or wealthy society; a person who is fond of social activities and entertainment.

A person who participates in social activities; a person who enjoys socializing.