A person who is sassy and bitter, commonly is insensitive to other people's ideas and tries to bring them down by pointing out mistakes to gain a short-lived confidence boost. Commonly known as a bully.
Person 1: I don't like your hair and you should really style it better, or cover it up with rat fur
Person 2: well aren't u an onion minx today...
Person 2: well aren't u an onion minx today...
by Dawn Massacre March 29, 2013