Let’s pick that mic up again and check out some of the words that have been added toOxfordDictionaries.com in the world of informal language. The mic drop in question can be a literal ‘instance of deliberately dropping or tossing aside one’s microphone at the end of a performance or speech one considers to have been particularly impressive’, but it’s more likely to be figurative – or an exclamation to emphasize a particularly impressive point: Nuff said. Mic drop.