A person who acts like a weeb (e.g. they obsess over their fictional crush, they wear cat ears, they always act like they're high on sugar, etc.), but doesn't watch anime. Instead, they probably fangirl over cartoons.
Dood 1: Hey have you talked with her yet? She's such an artificial weeb!
Dood 2: Lmao yeah, she's always talking about that series like it's the best thing that's happened to her!