slang A very long, leisurely shower. You need to stop wasting hot water in there. You're supposed to be getting clean, not taking a vertical bath!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. a men’s urinal. When I walked into the room with vertical bathtubs, I knew I was in the wrong place.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.