not hold water

Meaning

1. if an argument, an excuse, a theory, etc. does not hold water, you cannot believe it

In the movies · 5

• Your cover story's not gonna hold water.No Way Out1987
• Hold your water! You go deal with it.The Curious Case of Benjamin Button2008
• Your theory doesn't hold water, you know, because it doesn't explain the fake plane ticket or the rental car.A Simple Favor2018
• I'll take a Scotch and water. Hold the Scotch.The Waterboy1998
• Are you five years old that you can't hold your water?Poor Things2023

From the same entry

• by water
• it's water under the bridge
• like water
• waters break
• water off a duck's back
• blood is thicker than water
• blow out of the water
• pour cold water on
• dead in the water
• in deep water
• dip a toe in
• like a duck to water