Place it at the peak of an embarrassing reveal in a reaction edit, with a Dun Dun Dun just before it to build the setup, then follow it with a Vine Boom to close the joke, or end on a SpongeBob Fail when the moment deserves a second punchline.
About this sound
This clip is a girl's sustained scream lasting about nine seconds, a long drawn-out 'ah' sound with no words in it. It feels exaggerated and deeply uncomfortable, like watching someone embarrass themselves in front of a crowd and being unable to look away.