1) A type of computer keyboard cleaner that comes in an erosol can that is inhaled to make one very disoriented and high.
moron: hey man you gotta try this man, its called the hoo can. gets you reeel messed up.
moron2: sweet man it better get me high.
(moron snags some of the hoo can)
moron: ITS THE B-SIZZZZZZZAAADDD.
moron2: yeah, your preddy messed up.