When you’re tripping dick on a dangerous amount of LSD in a tent during a storm and your friend throws a pack of pall malls at your face, resulting in dirty rain water mixed with moist cigarettes, thus creating “cigarette gunk”
A.K.A Cancer Man, Cigarette Smoking Man, Smokey, C.G.B Spender.
Main anti-agonist at the x-files, cant be seen without his cigarette even in a single episode, he smokes "morley" which is a fictious brand of cigarette.