What does 2 Samuel 6:15 mean?

As the Ark of the Lord entered the City of David, Saul's daughter Michal watched from a window. She saw King David leaping and dancing before the Lord, and she despised him in her heart. 2 Samuel 6:15 - Modern Text Bible

(Michal sees David's wild celebration and looks down on him, thinking it's undignified for a king.)