Get cool?

You're now chatting with a random stranger. Say hi!
You: hi
Stranger: asl
You: 21/m/us
Stranger: 19 f
Stranger: japan
You: so, what do you want to talk about?
Stranger: wanna get cool
You: get cool?
Stranger: ya
Stranger: why
You: i'm not sure i know what that means
Stranger: ok
Stranger: listen
Stranger: i want to be happy
Stranger: got it?
You: i think so.
what does that mean I'm supposed to do, though?
Stranger: although you are extreamly fuck, i want to tell you a bit

This is the first conversation I copy/pasted. I still don't really know what "get cool" means. In the off chance that someone reading this has a clue, please tell me.