Alternative form of big-boy pants

(informal) Pull-up underwear worn by a boy during and after toilet training, as contrasted to the diapers worn during infancy.

plural of little boys room

(euphemistic, informal) Alternative form of little boys' room: a men's room, a public lavatory intended for men.

plural of boy next door

plural of fair-haired boy

plural of old boy network

plural of old boys' club

plural of old-boy network

plural of ton-up boy