Basically this is a mixture of cig butts, chewspit, removed wads of chew, and a small amount of faygo cola... also speculated to contain trace amounts of HEET (fuel additive) This brew is unknowingly consumed by those who are extremely intoxicated and results in near immediate regurgitation.
Hellavator was created from a K-pop band called Stray Kids. Now, this isn't a real word but the word is used as a term in their song. So supposedly, Hellavator is a elevator that takes you to hell.
Person 1: I'm on a hellavator
Person 2: Ah, the hellavator is taking you to hell
Poindexter: Hey how large is the new mod file for the cheatpack for World of Warcraft XXXVII?
Milhouse: It's a hellabyte, yo!
Poindexter: Quit talking like that.
Deriving from the ancient Greek words "hell" and "fat", hellafat has become a colloquialism expression of seniority amongst Discord servers. It is a high ranking tag of an elite crew and demands respect.