Well, he probably means that he likes your personality.
Chat with our AI personalities
It mean What bout you * like if you were talking to someone and you say what's up, they'll say nothing wby (what bout you?) *
If they say 'Inbox me!' or something like that they mean they want you to add them as a friend on facebook.
It mean for the win like if in a game and you were attacking something you would say FOR THE WIN!!!!!!!!
You can text people things that you would not be able to say if you were talking to them directly. Mot like you are too scared or nervous to tell them certain things. Like lol you can only use that in a txt and not when talking to someone face to face.
Most of the time they either say that to be cool or if they like you. I am a guy myself and i say that so i know.