2)A special technique that can be done in a small group of persons, making the "victim" inconscient for a few seconds.
Really fun activity (as a "victim" and as a "helper")
2)Some guys are doing blackouts in the park, go try it out.
adj: "I was so blackout man, everyone was wasted."
Roommate #2: OMG and when you made out with that freshman from PGP!!!!
Roommate #3: Wait, when did that happen, was I drunk??
Roommate #1: You are such a black out drunk!