mic drop
or mike drop
[ mahyk drop ]
/ ˈmaɪk ˌdrɒp /
noun
the act of intentionally dropping one’s microphone at the end of a speech or performance, displaying a bold confidence that it has been very impressive or cannot be topped.
something, especially a statement or action, that displays such a bold confidence: Her insulting response was the ultimate metaphorical mic drop.
interjection
(used to indicate that something has been very impressive or cannot be topped): She definitely wins for best Halloween costume! Mic drop!
Origin of mic drop
First recorded in 2010–15