An age-old theory describing how a lady or man will cover up their feelings for someone by being overly mean or sarcastic to the person. NB: Not to be mistaken with bullies.
Tim: Mary keeps teasing about how weird my habits are, more than anyone ever has.
John: Don't worry, Tim, it's probably because she likes you.
Tim: Where did you get that from?
John: It's simple; the Playground Theory, my friend.
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