to comsume a heroic amount of a psychoactive drug, thus resulting in total unawareness of current surroundings. in simpler terms, your head is doing some serious overtime, while your ass is still planted on your buddies couch.
did you see johnny last night? holy shit, he ate 5 caps and dropped 7 fucking tabs of acid. he was a long way from home, dude.
something someone says when the have left something for you on myspace (picture comment, message, comment, etc.). hit the home button and check it out.