What is the name of the song Skrillex Back to the Future college humour?

The song you're referring to is "Scary Monsters and Nice Sprites" by Skrillex. It gained significant popularity and is often associated with various memes and parodies, including those related to "Back to the Future." The track features a distinctive Dubstep sound that helped define Skrillex's style and contributed to the rise of electronic dance music in the early 2010s.