Chill out
WordNet
verb
(1) Become quiet or calm, especially after a state of agitation
"After the fight both men need to cool off."
"It took a while after the baby was born for things to settle down again."
WiktionaryText
Verb
to chill out
- To relax or take time out; to calm down. Also chill.
- Since I'm between projects, I think I'll just chill out.
- I wish I could chill out about the neighbor's barking dog, but it wakes me up every night.
- To hang out; spend time together with another person or group. Also chill.
- Hey we should chill out together this weekend.