I think she just said she loves me?

Hey, I have developed feelings for this lovely girl over the last year and a half and she has been really nice to me. We have been out once, she has kissed me multiple times at a party, and we talk about our feelings quite a bit (although not for each other).

We have a bit of banter around her being a feminist, but this time it went quite odd. We were talking in the group chat with 9 of our friends. She told me to stfu over me being smug about not doing physics, and so I went "I'm a feminist hear me roar".

She responded "Roar means I love you in dinosaur". I had no idea how to respond so I just laugh faced and changed the subject. She didn't respond for the rest of the night.

I realise in all likelihood it was just a joke, but I now kinda feel bad for laughing since I think she meant it. Still, I didn't really get chance to talk to her today and she seemed a little bit off in the chat. Thoughts?