Virtuous plug
Non-shameful, completely on topic and related endorsement that is casually and tastefully worked into conversation.
Syd: "...speaking of science, are you going to the 6th annual women in science symposium??"
Matt: "haha, you virtuous plug. Sure, if you're going, we can go together!"
Matt: "haha, you virtuous plug. Sure, if you're going, we can go together!"