What is first rate?

This is from an eikaiwa lesson video of a faux-geisha teaching Japanese women how to talk dirrrty in English. (Eikaiwa means English conversation by the way)

I wonder how many women actually used these lines, and how many befuddled men lost wood after hearing that they’re a first rate cunt lapper in broken English. “Come on Toshi! Come on!”

Oh Toshi you are a first rate cunt lapper!

first rate - video

First rate - what is it?

getting your pussy licking real well

'james gave me first-rate cunt lapping last night'

What does "first rate" mean?

A high quality whore; excellent

Jim: Im really horny and I need a girl
John: here. Call this girl, she's a first rate whore
Jim: damn. I gotta call her. She's gotta be great at sex

First rate - what does it mean?

A young attractive woman with a tight vagina that has not been ran through and suitable to be a wife.

"There's nothing in the world like first rate pussy." -President Trump

First rate - meaning

Of the highest quality

That movie last night was first rate