Too drunk

An obnoxious drunk stumbles into the front door of a bar and orders a drink, the bartender says, "No way buddy you're too drunk."
A few minutes later the drunk comes in through the bathrooms, again he slurs, "give me a drink", bartender says "No man I told you last time you're too drunk"
Five minutes later the guy comes in through the back door and orders a drink, again the bartender says, "You're too drunk"
The drunk scratches his head and says "Damn I must be... the last two places said the same thing."