(Noun)- to have the resemblance of a zombie. Characterized by bed head, bad breath, looking tired and/or just by looking jacked up in your appearance
(Verb) means to stay up all night; pull an all nighter.
(Noun form)- That dude went to prom looking like a straight up zombie.
(Verb form)- Haris Shekhani had to zombie it for his physics test the next day.