1. Sticking random things up your nose
2. Playing with the toilet
3. Eating pet food
4. Picking your nose & eating it (or wiping it somewhere or on someone)
5. Backwashing in your drink and then drinking it again
6. Coughing without covering your mouth
7. Eating play-doh
8. Playing with bugs
9. Chewing with your mouth open
10. Eating stuff off of the floor