Top definition
The evening before Valentine's Day when you are supposed to take out your mistress. Whereas on Valentine's Day you take out your wife or girlfriend.
I told my wife I was going to play basketball with the guys on mistress night, but I really took Susan to dinner.
by Patrick Ransom February 13, 2010
May 1 Word of the Day
When some little bitchboy is acting like a little tiny pee pee poo poo baby and messing up the group plans.
by A7sa July 03, 2019