That girl last night she turned into such a Mandy right after I just told her she was pretty and bought one drink she went home with me .I love the Mandy's can always count on the Mandy
A person who tries to argue on the Internet but doesn't read the replies they get, and therefore keeps hitting on the same points and believes that other people "just don't get them".
1. Your mom keeps spreading fake news on Facebook, but she refuses to accept when we call her on it. She's such a Mandy.
2. My boss is being a Mandy. I e-mailed her solutions for our problems 5 times and she still thinks it's unsolvable.