1. A few fries short of a Happy Meal.
2. The wheel's spinning, but the hamster's dead.
3. He fell out of the stupid tree and hit every branch on the way down.
4. Elevator doesn't go all the way to the top floor.
5. Forgot to pay his brain bill.
6. A few clowns short of a circus.
7. If he had another brain, it would be lonely.
8. Too much yardage between the goal posts.
9. A few beers short of a six-pack.
10. Dumber than a box of hair.
11. A few peas short of a casserole.
12. One taco short of a combination plate.
13. All foam, no beer.
14. The cheese slid off his cracker.
15. Body by Fisher, brains by Mattel.
16. Has an IQ of 2, but it takes 3 to grunt.
17. Warning: Objects in mirror are dumber than they appear. 18. An intellect rivaled only by garden tools.
19. As smart as bait.
20. His belt doesn't go through all the loops.
21. Proof that evolution CAN go in reverse.
22. Surfing in Nebraska.
22. In the pinball game of life, his flippers were a little farther apart than most.
23. One sandwich short of a picnic.
24. The light's on, but nobody's home.
25. If dumb were dirt, he'd cover about an acre.