Whiskey

Whiskey (alternately spelled whisky) is a fermented drink that is enjoyed by humans.

Empath: The Luckiest Smurf stories
In the EMPATH: The Luckiest Smurf story series, Tapper makes the equivalent of Irish whiskey, which he serves mostly with his mixed drinks, as he rarely lets any Smurf drink it straight.

Hero: The Guardian Smurf stories
In the HERO: The Guardian Smurf story series, Nikolai Smurfeski makes whiskey which is served to his fellow Smurfs at his bar.