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Someone who makes a habit of using mood swings as an excuse for doing (or not doing) something. A habitual schitzo.
Person 1: So are you guys still together or not?

Person 2: Not sure. Have to check with her today. Guess she's just a mood swing junkie.
by Bill Contact March 10, 2008

Words related to Mood swing junkie

bipolar moodswing mood swing multiple personality pms schitzo