Use 'cool it!' to de-escalate a situation where someone is angry or overly excited.

Emotion Control

It's casual speech. Not appropriate for formal situations like work meetings or writing essays.

Colloquial Caution

The tone when saying 'cool it' should be friendly or joking, to avoid offending someone.

Indicates someone should stop a specific behavior or action that's causing annoyance.

Used informally, almost like a gentle reprimand to tell someone to stop doing something.

Can be used to advise moderation in habits or consumption, like eating or spending.