Wow

I got to knew that 5 years ago. I was searching about Rap and BOOM! Full form comes up. I can tell that I was shocked.

It does not. Not everything is some clever acronym.

Except it doesn’t...........

Yeah, I think someone’s winding you up.

It doesn't. Rap as a word has meant talking quickly or with force for hundreds of years.

I learned it this week too!

No it doesn't, to rap is to talk quickly and in a rhythm. FFS.
On the other hand, if there's an acronym I'd assign to rap, it's "Record of Arrests and Prosecutions"...