1. A hooded sweatshirt, the sleeves of which have been utilized to mop up copious amounts of nasal mucous.
2. One who frequently wipes hir drippy nose on items of clothing.
Man: You ready to hit up the cocaine and pepper sniffing party, dude?
Dude: Yea Man, just let me put on my snoodie.
Man: Seriously, Dude, get a handkerchief.
Girl: Cotton sleeves absorb fairly well, but flannel pajamas feel the best on your nose.
Boy: You are such a snoodie.