Place it at the very end of a rant or boast segment as the closing reaction. Lead into it with the no no wait wait build, then follow it immediately with a damn reaction to sell the shutdown from the other person's side.
About this sound
A short two-second voice clip of Dwayne 'The Rock' Johnson barking the line 'shut your mouth' in a loud, commanding tone. It feels blunt, confrontational and funny, like an instant verbal slam that leaves no room for a reply. The line comes from The Rock's famous wrestling catchphrase persona.