Put it at the end of a reaction clip, right after the claim it answers, then follow it with Awkward Moment to close the clip, or lead into it with Womp Womp Fail when the setup is a failed take.
关于此声音
This is a short spoken clip, lasting under three seconds, that delivers the line 'Russians are idiots' as one blunt statement. It feels mocking and dismissive, landing as a sharp put-down rather than a joke with a setup. The line is aimed squarely at Russians, so its bite comes from how plainly it states the insult.