any substance that will bring you back to life even if you are an inch from death. ( the term death in this context is liberally used in reference to a hangover or other state of sickness or depravity). could be any thing fromLoratabs and cocaine to Robitussin and liquor.
John: hey Bill your looking rough, and we have a long day, are you OK?
a loose term used by college students (usually via text) to either ask if they can come over to anothers apartment or dorm for a short amount of time to see whats up. or to convey an undefined amount of time as to when he/she will arrive.