VEX PLAYFULLY is an expression that means to TEASE someone in a playful manner. It is often used when someone is trying to make light of a situation or to make someone laugh. Teasing can be done in a variety of ways, such as making jokes, poking fun at someone, or even just being silly. The term VEX PLAYFULLY implies that the teasing is done in a good-natured way and not meant to hurt anyone's feelings.