Ham on Wry

AN EXTREMELY INEBRIATED gentleman staggers through the FRONT door of a bar and orders a drink. The barman refuses him and asks him to leave, which he does, only to come hurtling back a few minutes later through the SIDE door. Again, the proprietor tells him, "Sorry, but you're too drunk to serve, sir, you'll have to leave." This time he comes stumbling through the BACK door only to meet the same results, whereupon he wails, "Maaaaan! How many bars in this town do you work at?"