An incomplete list.
  1. Farts
  2. Pratfalls
  3. Little kids messing up jokes
  4. Happy yelling
  5. Puns
  6. Inside jokes
  7. Everything my best friend from high school and I say
  8. My dog looking like a ghost when she tries to get up with a blanket on top of her
  9. Almost getting caught
  10. Bothering people
  11. Old ladies cursing
  12. That thing that you thought only you did but then a comedian says it