won't hold water

to be inadequate, insubstantial, or ill-conceived. Sorry, your ideas won't hold water. Nice try, though. The prosecution's case wouldn't hold water, so the defendant was released.

Common Names:

Name	Pronounced	Usage
Mstislav	mstee-SLAHF (Russian)	Czech, Russian, Medieval Slavic
Polyxeni	-	Greek
Wheeler	['wi:lə]
Eris	-	Greek Mythology
Lennie	LEN-ee	English
Frankie	['fræŋki]