way out of a paper bag

Etymology
Most likely originating as, He couldn't punch his way out of a paper bag.

Phrase

 * 1)  A minimal level of competence or effectiveness, as used in phrases where one is unable to perform.
 * My boss is so clueless, he couldn't schedule his own way out of a paper bag.
 * Junior varsity couldn't play their way out of a paper bag in comparison.