couldn't pour water out of a boot

couldn't pour water out of a boot

Is extremely stupid. This jocular phrase implies that the person so described couldn't perform the simplest of tasks. The full phrase is "couldn't pour water out of a boot if there was instructions on the heel." I'm not surprised that Zack took the train home and left his car in the parking garage at work—he couldn't pour water out of a boot! That fool couldn't pour water out of a boot if there was instructions on the heel! Dolt!See also: boot, of, out, pour, water

couldn't pour water out of a boot (if there was instructions on the heel)

Rur. stupid. I won't say Jim is dumb, but he couldn't pour water out of a boot. Jane couldn't pour water out of a boot if there was instructions on the heel—and she's the smartest one in her family!See also: boot, of, out, pour, water