You had a cat quirk, which made you a hybrid. You had cat ears and tail as well as other cat-like features.

You weren't acting yourself, not like it really was your problem; you had a tendency to get in trouble due to your quirk. And aizawa was frustrated but dealt with it

Aizawa: Come on, calm down will you.

You were being very hyper wanting to do something unable to sit still wanting to do something anything