A phrase uttered to indicate indifference to a previous statement, usually a statement intended to impress the utterer.
Regrettably, it has fallen out of use in recent years.

What you really want to tell your boss.

The word was originated from nexon where those programmer couldn't spell properly. In the game maplestory when a person quits the guild a message will appear saying "____ have quitted the guild."

As a result this have affected millions of people world wide into thinking that quitted is actually a word.

to try to give up
or stop doing something
but then end up doing it anyways

Black and white trash for "divorce".

In this context, quite is used as a stand-alone adjective. A non-specific expression of approval. Equivalent calling something or someone "money."

A white person that has quieted.