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Resting Bitch Face (RBF) is the term the internet likes to use to describe somebody whose face appears unintentionally annoyed, angry, or irritated. Two behavioral researchers with international research and innovation firm Noldus Information Technology, Jason Rogers and Abbe Macbeth, decided to do a little research on the topic. “We wanted this to be fun and kind of tongue-in-cheek, but also to have legitimate scientific data backing it up,” Macbeth said.