Knark

Knark is a Norwegian term for a person who consumes narcotic shit. The word also means "drug(s)" in general.

Dad: Jerome! You're a Knark!

Jerome: No, dad. I don't consume Knark! I was with my friends while they Knarked. That's why i smell like Knark.

Dad: Good. I don't want you to become a Knarker.