(Disclaimer: not all of these I agree with.)

• Sleeping with makeup on
• Eating too fast/not chewing
• Not washing hands
• Not flossing
• Not brushing your teeth
• Picking scabs
• Hair picking
• Skin picking
• Not cleaning keyboard
• Dropping food and eating it anyway
• Not cleaning your cell phone
• Not covering your mouth when you sneeze
• Popping zits in public
• Chewing tobacco
• Leaving hair in the drain
• Scratching your butt (orly)
• Spitting in public
• Belching in public