2. As sharp as a marble.
3. A few fries short of a happy meal.
4. An experiment on artificial stupidity.
5. A few beers short of a six-pack.
6. A few peas short of a casserole.
7. The wheel is spinning, but the hamster's dead.
8. A few taco's short of a combination plate.
9. A few feathers short of a whole duck.
10. All foam, no beer.
11. Body by Fisher, brains by Mattel.
12. Couldn't pour water out of a boot with instructions on the heel.
13. Fell out of the stupid tree and hit every branch on the way down.
14. An itellect rivaled only by garden tools.
15. Chimney's clogged.
16. Smart as bait.
17. Doesn't have all his dogs on one leash.
18. Elevator doesn't go all the way to the top floor.
19. Forgot to pay the brain bill.
20. Sewing machine's out of thread.
21. If he had another brain, it would be lonely.
22. Missing a few buttons on the remote control.
23. Not the sharpest knife in the drawer.
24. Has the intelligence of a carrot.
25. I wish I had blueprints for his brain, I'm trying to build an idiot.
26. Does the work of three men: Shemp, Larry, and Moe.