bartende says

- Dos and Donts of Ordering Drinks at a Bar/Club
1) Have all orders handy
2) Have your wallet/money ready.
3) Don’t yell, holler, or snap your fingers.
4) Don’t make out with your dirty at my bar
5) Don’t question the amount of alcohol in your drink.
6) If you’re going to ask for free drinks, at least try to be engaging or interesting.
7) Tip!