Sounds like a bunch of awkward and uncomfortable teenage boys taking the piss out of something they don’t understand.
You sound like an awkward sixth form art student so keen on being edgy and artistic, that they will “appreciate” anything.
You’re just the kind of people she is aiming her performance at, it’s just a shame that she over-estimated you.
By the sound of it, You’re the kind of person she is aiming her “performance” at.
And it looks like she underestimated you perfectly.