Place it near the end of a gaming edit as the final reply, after an Enemy Spotted callout builds the moment, then follow it with Ara Ara if you want the conversation to continue in Japanese voice lines only.
Über diesen Sound
This is a one-second Japanese voice clip of Widowmaker saying 'urusai,' a blunt word used to tell someone to shut up. It lands as dismissive and exasperated, like a fed-up shutdown delivered in a single beat. The clip comes from a Japanese voice rip of the character.