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
Vasilije	-	Serbian
Ethel	['eθəl]
Reina (1)	-	Spanish
Mcfadden	[mək'fædən]
Yekaterina	ye-kah-tye-REE-nah, ee-kah-tee-REE-nah	Russian
Phinehas	FIN-ee-əs (English)	Biblical