mic drop

US /ˈmaɪk drɑːp/
UK /ˈmaɪk drɑːp/
"mic drop" picture
1.

an intentional dropping of one's microphone at the end of a performance or speech to signal triumph or finality

:
After his powerful closing statement, the speaker performed a perfect mic drop.
Her final answer to the debate was a total mic drop moment.
1.

to intentionally drop one's microphone at the end of a performance or speech to signal triumph or finality

:
He decided to mic drop after delivering his powerful speech.
She really knew how to mic drop at the end of her performance.