Cocaine

Cocaine is a drug that acts as a stimulant, existing mostly as a white powder that is inhaled through a person's nose. It is considered a dangerous and illegal drug in most countries.

Empath: The Luckiest Smurf stories
While cocaine does not appear in any of the stories in the EMPATH: The Luckiest Smurf story series so far, an analog substance called pixie dust is used by the beings in the Smurf Forest, ingested through inhalation and having similar effects on the user.