A brief synopsis... When you're at a loss for words but want to tell someone that he or she is stupid, remember some these quips from our collection here at Aha! Jokes.
$HOME = /dev/null.
3K RAM free, no EMS.
A .22 caliber intellect in a .357 Magnum world.
A 10K brain attached to a 9600 baud mouth.
A 20th century man... The guy has no future.
A 3.5-inch drive, but data on punch cards.
A black-and-white mind working on a color-coded problem.
A brain like a BB in a boxcar / box of Corn Flakes.
A couple of slates short of a full roof.
A couplet short of a sonnet.
A cup and saucer short of a place setting.
A day late and a dollar short.
A deadbolt with a broken cylinder.
A doughnut short of being a cop.
A few beads short in her rosary.