YOS (rhymes with sauce) - You're overly specific. When someone, usually a nerd, responds to a question or statement with far more detail than necessary. This response will usually be accompanied by condescension or arrogance. Contrast with YAS, you're adequetly specific.
Normal Person: You're being overly specific.
YOSer: Don't you mean I'm being i
Normal Persion: YOS. You're doing it again, YOSer.