1) adjective; Type of person who'd make you laugh at your mothers funeral. 2)adjective; Hella sweet person who'll help you even if you need help ALL the time. 3) noun; A hacker.
1) 'That guys so boring, hes not even a bit blackout!'
2) 'Ask him, hes a hella blackout guy!'
3) 'That person who keeps pwning me is such a blackout!!'