"Reheating someone's nachos." No, it has nothing to do with microwave etiquette or the best way to revive last night's Taco Bell regret. "Reheating nachos" is the new addition to internet slang's ...
Even fresh nachos can fall prey to overwhelming sogginess from all those toppings; if the microwave can make your leftover pizza a drippy mess, just imagine what it can do to your nachos.
In other words, instead of creating their own nachos —read: inventing an original style or sound — Person X takes Person Y’s previously successful dish and pops it in the microwave.
“Sometimes I find with nachos that the toppings are insanely ... In a small microwaveable bowl, microwave the American cheese slices with the splash of milk, on full power in 30-second bursts.