Not a skinny person, a hoss is short for a hossiferndo. Can be spelled with one s (hosiferndo) or two. A hossiferndo can be a fat ass or a very voluptuous person, typically of the female gender.
vanhoose: give me your soul so i may digest it, my lord satan has crowned me the queen of evil, bow to me minion!
me: damn hoosifer. a bit tense today?
vanhoose: no why?
me: no reason. how would you like a welding rod to snack on?
vanhoose: sounds delicious.