"like oh em gee did you hear that jane broke up with bob and bob is going out with jane's brother's uncle's aunt's cousin's dog's hamster's mom? like omgzs!"
Correct Response - "Speak proper, or STFU, N00B!"
Silent then proceeds to sock her in the face.
Simply put OMG means, Oh my god!
Person 2: "O M G. , have they even heard of the word fashion."