To flirt with someone usually through a type of social application such as facebook or texting. Generally involves witty comments and jokes that force the recipient to concede ground in the "game."
Jon- "That whore Katie tried to flirtbanter with me on facebook last night."
Ray- "What did you do?"
Jon- "Dude, what else? I kirbied her ass."
Jon- "Can you say..."uhhhhh ok?"