Place it at the exact frame a character turns toward the door, after a dun dun dun sound builds the moment and before a vine boom sound punctuates the exit. Use a discord notification sound right after it only when the ejection is happening inside a fake chat screenshot.
Über diesen Sound
This is a two-second voice clip of someone stretching out a shouted 'GEEET OUUUT!' at full volume. It lands as a blunt, over-the-top ejection, equal parts rude, funny and final, like slamming a verbal door on whoever has pushed their luck too far in the moment.