"that girl" refers to any situation
you don't want to be in.
1. A girl who is overly obsessed with
2. A girl who blacks out at a party
3. A slutty girl
1. They've only been dating three months, and she's already become "that girl". They spend every moment together.
2. She showed
up and blacked out in the bathroom, it would suck to be "that girl". Luckily, I was "that girl" last night.
3. She's messed around
with seven guys this weekend, I never want
to be "that girl".