I need a help

Don't want to bash your friend or anything but that should be enough to get her to stop you couldn't be any clearer in telling them maybe lightly push her away if the first "stop" doesn't stop her and tell her "hey I'm getting a bit overwhelmed right now could you just give me a bit of space?" Or just tell her straight up that you aren't a fan of being touchy like that ( -_・)? I feel like I said nothing useful lol but.......┐('～`;)┌ good luck to you!!

Don't wanna assume things, maybe she's interested in you
OR
(pardon the ff text, not really good at explaining and I'm bored so I'll be blabbering here)

If OP is a male,
there are these cases wherein some people seek a feeling of being in certain a situation or a relationship dynamic with someone.

For example, the "friend tropes" that you see in stories Hot x Cold, loud x Quiet type of people. When you look at those kind of pairs there is always an atmosphere that would emanate from them like something funny, cute,,, etc... In short, i think your friend wants people to see you both in a certain type of dynamic like a quirky duo or a very close duo, like I have a brother who i am close with and always has my back or like we've been best friend since birth so therefore we get along like this. Which is why she's being clingy if in a public setting.

If it's just you two, its either the first reason or she likes teasing you or she's a person who has not heard of boundaries before and thinks she is entitled to skin ship however she likes

There could also be other possibilities but I am rudely assuming enough so~

Tysm, I'm really the type who can't say the word "no" and she just makes fun of me if I say stuff like jn getting overwhelmed, like i tell her I get overstimulated and panic attacks and she does it even more....

Oh I'm female (tho I'm lesbian) but ig that could be it, she's rlly pampered in her house n talks like a 5 year old ....