little boys' room

plural little boys' rooms · alternative little boy's room · alternative little boys room

1. euphemisticinformalSynonym of men's room: a public lavatory intended for use by men.

   Excuse me, where is the little boys' room? My son is about to burst a bladder.

   2 more examples

   He accidentally locked himself in the ca—in the little boys' room.

   1934 August 18, Liberty, page 40

   The first [sc. cartoon], representing a very young chap seeking directions to the little boys' room in the Metropolitan Museum, prompted the management to frame it and hang it in the aforesaid room.

   1938 November 25, Princeton Alumni Weekly, page 209

   Synonyms: men's room, bathroom

2. Used other than figuratively or idiomatically: A room belonging to or used by little boys, particularly their bedroom.