0 a man who spends a lot of time in fashionable places, doing fashionable things --
It concerns the fortunes of four characters: a young man-about-town, his wife, his lower-class mistress, and her husband.
He ceaselessly promoted himself as dandy and man-about-town.
It is linked to being glamorous, smart, a man-about-town or to being slim and so able to wear certain kinds of clothes.
