bitter betty 

extreme bitterness given off by someone who has just lost a game of mario party

after losing all of his stars and the lead, Brent became a "bitter betty"

bitter betty by John Vincent December 27, 2007

bitter betty 

Someone with an exceptional amount of PMS or a general cranky disposition.

"He sure was acting like a bitter betty this afternoon at the meeting"

bitter betty by melissa parmer September 16, 2003