2. If you understand Oreo literally, you will contact the advertisement, lick it, twist it, soak it, only Oreo. This sentence has more connotations. It can be understood that he wants to be friends with you and want you to hit on her.
3. There is a saying that women are not Oreos. Please don't twist, lick and soak. Want to be your Oreo, just want to be with you, want to be your girlfriend, which means that this girl likes you very much.