"A collection of insults 41" joke
Missing a layer of insulation in his attic.
Monorail doesn't go all the way to Tomorrowland.
Mooring lines don't reach the dock.
More marbles in a spray-paint can than brains in his head.
Mouth is in gear, brain is in neutral.
Moves his lips to pretend he's reading.
Must have ignored a knock-down pitch.
Nearly on a higher plane, but lost his boarding pass.
Needs another brain to make half-wit.
Needs both hands to wipe his behind.
Needs front end alignment.
Needs his disk checked/reformatted.
Needs his sleeves lengthened by a couple of feet so they can be tied in the back.
Network constantly loses packets.
Neurons are firing non-sequentially.
Not enough votes...