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
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 betties
Man-haters who meet in groups to plot vengeance against men.
"those bitter betties are planning to to issue the new handbook this September"