Dumber than...

[Beware the Beast Man]

[progmom]

1. box of rocks

i like the internal rhyme.

[shugh514]

8. self delete

[melissinha]

2. The President on a bicycle

or the President ALL THE TIME

[In_The_Wind]

3. shit

because i collect rocks Just the pretty ones

[SouthoftheBorderPaul]

4. Bag of wet mice?

Never heard that one but I like it. That got my vote.

[In_The_Wind]

6. i've never heard of that one either. but i think it's cute.

[Beware the Beast Man]

9. That's a Foghorn Leghorn-ism.

"That boy is about as sharp as a sack of wet mice."

[In_The_Wind]

11. thanks

it seemed Just a little bit familiar ... you've Just explained why

[ghostsofgiants]

5. Instead of "dumber than..." I prefer...

"The intelligence of an air guitar."

[GOPisEvil]

7. ...a sack of hammers.

[XemaSab]

10. As a dirtologist,

I am insulted at the inference here that dirt is a substance of low intelligence. As someone who got a hard-won C in soil fertility, lemme tell ya: dirt's a helluva lot smarter than I am.