"Vocal fry", aka "creaky voice". It's stereotypically associated with irritating young women.

I like me a good rabbit hole that's interesting and also digs into stereotypes.

Turns out, like many memes, it's not just that. It's (also?) a normal speech pattern, used by different genders, ages, and social groups, in many languages.

This doesn't mean that vocal fry isn't used as social signaling. But complaining about it, well, isn't that social signalling too?

Geoff Lindsey - Vocal Fry: what it is, who does it, and why people hate it! - https://www.youtube.com/watch?v=Q0yL2GezneU