Place it immediately after the offending statement in your edit, then follow it with the Emotional Damage meme for an exaggerated fallout, or open with the Bruh sound effect to set up the moment before the reply lands.
About this sound
This is a brief Russian voice clip snapping “ty sho akhuel,” roughly “are you out of your mind?”, in a sharp, heated delivery that lasts just a few seconds. It feels instantly confrontational and incredulous, like catching someone saying something absurd and calling it out on the spot, with disbelief turning straight into anger.