"A medical mystery." joke

A medical mystery.

A mental midget with the IQ of a fencepost. -- Tom Waits

A mind as empty as the sleeping pill concession at a honeymoon hotel.

A mind like wet tennis shoes... Makes squishy noises when running.

A modest little person, with much to be modest about. -- Churchill

A natural talent for finding subliminal messages in ice cubes.

A Neanderthal brain in a Cro-Magnon body.

A notch off the timing mark.

A one-bit brain with a parity error.

A pacifist out of necessity in a battle of wits.

A photographic memory, but the lens cover is glued on.

A prime candidate for natural deselection.

A quart low.

A return with no gosub.

A room temperature IQ.