1. Any moodiness experienced by a woman while she is PMS-ing or on her period
"Oh, don't take Diana's mood swings too seriously...she's just on her monthly grumpies."
by TenkoHime May 15, 2010
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×