1. verb To dramatically drop one's microphone (or, often, to mimic such a motion) after a particularly decisive or impressive performance, action, or statement. Did you see him mic drop after that rap battle?

2. noun A decisive or impressive statement or action. You were so confident during your presentation that the last slide was like, boom, mic drop! I think the partners were very impressed. That dunk was the mic drop that ended the series.

1. To dramatically drop one's microphone (or, often, to mimic such a motion) after a particularly decisive or impressive performance, action, or statement. Did you see him drop the mic after that rap battle?

2. By extension, to perform a decisive or impressive action. Dude just dropped the mic with that dunk!