turn water off
turn (one's) water off
1. Literally, to turn off the flow of water, typically to one's place of residence. If you don't pay your bill, the water company will turn your water off.
2. To thwart or stifle one. We need to turn this guy's water off before he totally undermines what we're trying to accomplish here.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
turn someone's water off
Sl. to deflate someone; to silence someone. He said you were stupid, huh? Well, I guess that turns your water off! That really turned off her water.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.