An acorn is a type of fruit grown on trees that squirrels generally use for food.
Empath: The Luckiest Smurf stories[]
In the EMPATH: The Luckiest Smurf story series, acorns are used by the Smurfs for making a brew of coffee.
Glovey Story[]
In the Glovey Smurf stories, acorns tend to be a favorite snack for the Smurfs, especially to Glovey Smurf and Wild Smurf.