18 or lower means you're not stupid.

[x] Gum has fallen out of your mouth when you were talking.
[x] Gum has fallen out of your mouth when you were NOT talking.
[x] You have ran into a glass/screen door.
[] You have jumped out of a moving vehicle.
[x] You have thought of something funny and laughed, then people gave you weird looks

Total =

[x] You have ran into a tree.
[x] It IS possible to lick your elbow
[x] You just tried to lick your elbow.
[x] You never knew that the Alphabet and Twinkle Twinkle Little Star have the same rhythm.
[x] You just tried to sing them.
[x] You have tripped on your shoelace and fallen.
[x] You have choked on your own spit.
[] You have seen the the Matrix and still don't get it.
[x] You didn't notice that in the last question "the" was spelled twice.
[x] You just looked at it.
[] Your hair is blonde/dirty blonde.
[x] People have called you slow.

Total = 10

[x] You have accidentally caught something on fire.
[x] You tried to drink out of a straw, but it went into your nose/eyes/cheek.
[x] You have caught yourself drooling. (no comment lol)
[] You've fallen asleep in class
[x] If someone says "fart" you laugh.
[x] You just laughed.

Total = 15

[x] Sometimes you just stop thinking
[x] You tell a story and forget what you were talking about
[x] People are often shaking their heads and walking away from you
[] You are often told to use your "inside voice".
[x] You use your fingers to do simple math.

Total = 19

[] You have eaten a bug.
[x] You are taking this test when you should be doing something important
[x] You have put your clothes on backwards or inside out, and didn't realize it.
[x] You've looked all over for something and realized it was in your hand or pocket

Total = 22

[x] You sometimes post bulletins because you are scared that what they say will happen to you if you don't even when you know it won't happen to you.
[x] You break a lot of things.
[] Your friends know not to use big words around you
[x] You sometimes tilt your head when you're confused
[x] You have fallen out of your chair before
[x] When you're laying in bed, you try to find pictures in the texture of the ceiling (its fun lol)

Total = 27
...wow i dont even know what to say XD