Place it at the end of a game-request scene, after the asker has made their case, then follow it with No God Please No for the next protest and Roblox Oof when the rejected player walks away.
Über diesen Sound
In under four seconds, a voice delivers the line 'You're not getting those M-rated games' and then breaks into a long, exasperated 'aahh' scream. The sudden shift from firm refusal to loud frustration makes it feel petty, dramatic and funny, like someone shutting down a request with maximum overreaction.