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1.
When an individual imbibes a large quantity of alcohol and inhales cannabis smoke on a Friday night, releasing his or her inner party animal. See Dr. Jekyll and Mr. Hyde.
Friend 1: Dude did you see him the other night?
Friend 2: Yeah he was totally flasked

Friend 1: Guys I'm so hammered
Friend 2: Don't you mean flasked?
by Robertsledgeisarockgod October 07, 2012