(one's) way out of a paper bag

A phrase use emphasize that one is particularly dim-witted, unintelligent, incompetent, or unable to do something basic, simple, or straightforward. Jeff's new boyfriend sure says some dumb things. The dude probably couldn't find his way out of a paper bag. Don't assign that project to her, she couldn't punch her way out of a paper bag!

Common Names:

Name	Pronounced	Usage
Farran	FAR-ən	English (Rare)
Fulbert	-	French, Ancient Germanic
Thorburn	THAWR-bərn	English (Rare)
Boris	bah-REES (Russian), BO-ris (German), BAWR-is (English)	Bulgarian, Russian, Slovene, Croatian, Serbian, Macedonian, Georgian, German, History
Klara	KLAH-rah (German, Russian, Polish)	Swedish, Norwegian, Danish, Icelandic, German, Russian, Ukrainian, Polish, Slovene, Croatian
Ea (2)	-	Swedish, Danish, Norwegian