He believes everyone worships the ground that he crawled out of.
A few clowns short of a circus.
He is missing a few buttons on his remote control.
His antenna doesn't pick up all the channels.
The elevator doesn't go all the way to the top floor.
He tumbled out of the stupid tree, hitting every branch on his way down.
All foam, no beer.
He doesn't have all his cornflakes in one box.
An experiment in Artificial Stupidity.
Caution: The objects in the mirror may not be as intelligent as they seem.
Why don't you go home and brush up on your ignorance?
I'm a self-made man.
We accept your apology.