falling asleep after a hard night of partying which involved either heavy drug use or alcohol consumption and then waking up in a pool of your own excrement. i.e. vomit, urine, or feces.
Chad: Hey, has anyone seen Russell? he was snorting coke and doing shots all night long!
Matt: He's over here in the corner choking on his own vomit!
Chad: Oh snap! lay him on his side, dude is wakin up from his Rockstar Nap!