1. People who bang bottles or ashtrays to get your attention.

2. Telling you how to make a drink.

3. Ordering one drink at a time when you are in a party.

4. Customers who ask you what you do for a living.

5. Customers snapping fingers or whistling to get your attention.

6. Lousy tippers.

7. Regulars who think they own the bar.

8. Customers who give you advice.

9. Customers who hit on you.

10. People who get mad when you check their ID.