cool it

cool it (third-person singular simple present cools it, present participle cooling it, simple past and past participle cooled it)

1. (informal) Calm down, relax, take a time out.

   We did tell him to cool it but he just got more and more irate.

   • 2000, Mary Harron, Guinevere Turner, American Psycho:

     MCDERMOTT: Oh my God, Bateman, you want me to fry you up some fucking potato pancakes? Some latkes?
     BATEMAN: No, just cool it with the antisemitic remarks.

2. Used other than figuratively or idiomatically: see cool,‎ it.

• cool one's jets