Best wishes

From Omnictionary

"Best Wishes!" is the most ridiculous thing you can say to end a conversation. It is often the way to end a conversation between two or more Nerdfighters.

"Best wishes!" are apparently the last words ever heard spoken by Margo Roth Spiegelman.

It may also be one of the most embarrassing memories of John Green.

You can see the video here: Best Wishes!