meaning of the phrase "now that's disdain"

[Klpno]

Hello everyone,

I'd like to ask about the meaning of the phrase "now that's disdain". The situation is as follows: the reporter named Annabella came to Atlanta to make a story about how people live there. One of the mayor's aides named Terise has been trying to humiliate the reporter. But after some time she invites the reporter out and the reporter agrees. They met in the garage, got in the car and were driving out the garage.

Terise nodded and pushed the button to start the car up. They drove out the garage in silince, although the guard at the door gave her sedan a dirty look that somehow managed to be conveyed even through the GDI helmet. Now that's disdain, Annabella thought.

Does the phrase imply the following: first the mayor's aide (terise) has been trying to humiliate me and now the guard disdains me?

[Alan]

Hi,

This construction simply suggests 'that's what I call disdain.' You might know the famous duet between Bing Crosby and Louis Armstrong who are trying to explain what jazz is. After illustrating what sort of sounds you hear in jazz, they end up saying: 'Now that's jazz'.

Alan
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English as a Second Language
You can read my ESL story Present Simple

[Klpno]