What is the lamest song you've heard that becomes your last song syndrome?

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My male workmate reported to the office and started cleaning his desk. He was whistling while doing it. Later on, the words of the song came out from his mouth. "I'm a barbie girl, in a barbie world...". That completely made us laugh hard inside the office despite its very cold ambiance. What about you? What is the lamest song that becomes your LSS?