A friend who allows you to borrow a lighter. Named after the Greek god who gave fire to humans.
Francis: Hey bros, anyone got a lighter? I'm tryna spark this doobie.
Chad: Yeah bro I got you.
Francis: Thanks Brometheus.
Very unpleasant and disgusting. Usually used to describe how someone smells, however can be used as a noun as well.
My brother Randy smells like watertrash, the bitches can't stand being around him.