(n.) the prize bestowed each year to the golfer who wins the Masters Tournament at Augusta National...but more importantly:
(v.) (-s, -ed, -ing) a) to absolutely and completely master something, b) to become master over something/someone
Alt. Spelling: Green-Jacket, greenjacket, g-jay
Harold: "Yo man, how did your interview go?"
Kumar: "I straight up Green Jacketed that shit, son."
Harry: "Hey, how'd you night with Laura end up?"
Lloyd: "I g-jayed that vag all night long."