“Reheating nachos” is internet slang for creating something like a song, album, or idea that closely copies an earlier work but is usually not as good. It describes reusing someone else’s idea, or your own previous idea, without adding anything new or original. You can often come across this idiom in posts on social media. I’ve found a few examples on X (formerly Twitter), YouTube, and Bluesky for you, so let’s have a look at how people actually use it 👇