imbecile to the fourth
power: a complete idiot that has no experience or
common sense on how to do any work whatsoever; someone who is a nincompute times 4; someone who is incapable of
common sense when it comes to work with their hands.
Ross is such an imbecile to the fourth
power that he can’t even hang a picture on his
wall without making a hole to the outside.
Ross is such an imbecile to the fourth
power that he can’t open a sealed package without making a mess everywhere.