What is 3 Beers?
The standards quantity of beers (not drinks) to tell a police officer that you've consumed. This is especially true when you get pulled over for swerving.
Officer: So how much have you had to drink to night?
Answer: I'm sorry Ociffer, I only had 3 beers. Is somin' wrong wid my tail lights?
Officer: Step out of the car sir.