Verb
(neologism, idiomatic) To cease overachieving at one's workplace to focus on one's personal life; to do only what is reasonably or contractually required; to work to rule. [since 2022]
He said that he is going to quiet quit his job because he wants to focus on his family.
Used other than figuratively or idiomatically: see quiet, quit.
Source: en.wiktionary.org