haha thanks - A sarcastic way to tell someone you’re not impressed, like y

A sarcastic way to tell someone you’re not impressed, like you’ve heard it all before.

Girl: "You’re my favorite person ever." Haha thanks: "Thanks, I guess."

Boy: "You’re the best." Haha thanks: "Thanks, I know."

Girl: "I think you’re the best." Haha thanks: "Oh, thanks."