What the actual heck, why is she even talking about that?! That is so incredibly weird and gross, and honestly it makes me cringe just reading it. Nobody should be describing their own or anyone else’s private parts in a disgusting way, like what is wrong with her? That is not normal conversation at all.
She sounds super toxic and maybe she has some deep insecurities that make her want to bring you down by saying nasty stuff. It’s like when mean girls make fun of other girls’ bodies in the locker room to make themselves feel better, except this is way worse because you guys are supposedly intimate. It’s totally disrespectful and kills any kind of romance.
You need to tell her to knock it off immediately because it’s making you uncomfortable and it’s weird. If she tries to defend it or keeps doing it, I would honestly just leave because who wants to be with someone who talks about their body like that? You deserve someone who respects you and doesn’t say vile things.