If there's red, yellow, and green flags, what would a disco flag be like?

Alt text: shocked woman, stock picture of question mark person, a disco ball and an office woman sitting without shoes calling while holding a binoculars with her foot. End of alt text.

Give me a moment, it's night and I couldn't sleep, so I put up this beautiful monstrosity together.

It popped spontaneously in my mind. What would a disco flag be -- something that makes or made you go "????" in a person?

Not necessarily in a bad or good way, just strange. Life's too short to not have funny or strange moments, I feel :D