From Yihui's blog

18 or lower means you're not stupid.

[ ] Gum has fallen out of your mouth when you were talking.

[ ] Gum has fallen out of your mouth when you were NOT talking.

[ ] You have run into a glass/screen door.

[ ]You have jumped out of a moving vehicle.

[Yes ] You have thought of something funny and laughed, then people gaveyou weird looks.

[Very often and not just trees ] You have run into a tree.

[ ] It IS possible to lick your elbow

[ ] You just tried to lick your elbow.

[X ]You never knew that the Alphabetand Twinkle Twinkle Little Star havethe same rhythm.

[X (-.-) ] You just tried to sing them.

[] You have tripped on your shoelace and fallen.

[] You have choked on your own spit.

[X ]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 (yihui..ahem... ]People have called you slow.

[ ] You have accidentally caught something on fire

[ ] You tried to drink out of a straw, but it went into your nose/eyes/cheek.

[ X] You have caught yourself drooling.

[X ] You've fallen asleep in class

[ ] If someone says "fart" you laugh.

[X ] You just laughed.

[] Sometimes you just stop thinking

[ ] You tell a story and forget what you were talking about

[ ] People are often shaking their heads and walking away from you

[ ]You are often told to use your "inside voice".

[XXXX ]You use your fingers to do simple math.

[ ]You have eaten a bug.

[X]You are taking this test when you should be doing something important ....

[X uniform somemore] 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

[ 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

[] You sometimes tilt your head when you're confused

[ ] You have fallen out of your chair before

[ ] When you're laying in bed, you try to find pictures in the texture of the ceiling

15 out of 18... gosh i'm lame