Not on the rocks - yet

NOT ON THE ROCKS - YET

A man walks into a bar and orders a 12-year-old scotch.

"Chivas?", asks the barman.

"Well, I won't deny I like a drink, but I'm not an alcoholic."

(Submitted by Luke Waugham of Covent Garden)

 Punnotation: 13+18+17+17+20 = 85