nepheligenous
Producing clouds of smoke.
rare
I am a misocapnist, particularly when someone is using stinky tobacco with nepheligenous results.
Where it comes from
From Ancient Greek νεφέλη (nephélē, “cloud”) + -genous. Coined by Oliver Wendell Holmes in 1862.
Adapted from the Wiktionary entry nepheligenous (CC BY-SA 4.0).