chillax

verb3

1. •
   (slang) To relax; to be laid back.

   • Chillax my friend. I agree with most of your sentiments about Tarantino and his use of violence as comedy. — 1994
2. •
   (slang) To calm down.

   • “Chillax, familiar. We get it: you're a vampire-killer, with the stakes and the reflexes and all that-- great job.” — 2021
3. •
   (slang) To behave.