"A collection of insults 1" joke
Uses thumbtacks to post notes -- on his refrigerator.
Uses two hands to eat with chopsticks.
Using a 1S-2D floppy for brains in a world of hard disks.
Vacancy on the top floor.
Vacuuming linoleum using a deep-pile setting.
Vertically-fornicated mind.
Views mold as a higher life form.
Warranty expired.
Was born an acrobat but landed on his head.
Was born when the planets were misaligned.
Was first in line for brains, but ended up holding the door open.
Was left on the Tilt-A-Whirl a bit too long as a baby.
Was napping in the nut pile the day God was cracking nuts.
Wasn't abused as a child, but should have been.
Wasn't strapped in during launch.
Not enough votes...