1. bar chords.
2. Rebecca Black
3. justin bieber songs
4. naps that your foot randomly takes
5. heat. (unless its for food)
6. "Class, remember. This is a performance assignment." (only classmates get this one) :D
7. REBECCA BLACK.
8. when a cold day randomly gets hot.
9. people who mock me because they're, what, 5 months older than me?
and finally...
10. People who say "cha-cha-cha" in the birthday song.