It's Lagavulin.
Regardless, if you think Lagavulin is peat, try Ardbeg. It's is the "peatiest" of all the Islay single malts. Liquid smoke.
As for the question of the day - the only answer is Lagavulin.
Not the Special Release Distillers Edition distilled in 1991, just the standard bottle. It cannot be surpassed.
When The Most Interesting Man in the World drinks Scotch, he drinks Lagavulin.