>>2731367Watch "Dr. House" and "The Mentalist".
The first could teach you how to be "rude" and "direct" in a "playfull" sometimes "teasing" way.
The second to be more discret.
Top bantz.
Don't go full retard, remember that those are fiction.
On the other hand, being capable of witty banter is a combination of genetics (being outgoing and extroverted) and learned skill.