high-class whore
a high paid prostitute.
Cheap prostitute 1: How does she get paid so much?!
Cheap prostitute 2: Haven't you heard? She's a high-class whore. In our case, you get more bang for your buck, whereas in her case, you get less bang for your buck. Get it?
Cheap prostitute 2: Haven't you heard? She's a high-class whore. In our case, you get more bang for your buck, whereas in her case, you get less bang for your buck. Get it?