throne room(redirected from throne rooms)
A lavatory, restroom, or bathroom. "Throne" is a common slang term for "toilet." I'll be in the throne room if anyone calls for me. Someone left the throne room smelling foul.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a restroom; a bathroom. (see also throne.) Hank is in the throne room, reading, I think.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.