1. Cool Your Jets Here

or Take a chill pill : Modern, very informal ways to say the same thing.

: To stop someone from getting overly worked up or angry (e.g., "Cool your jets! It's not worth fighting over."). 1. Cool Your Jets

: While it started in futuristic science fiction, it gained broader colloquial popularity by the 1970s as a metaphorical way to advise patience or emotional control. When to Use It or Take a chill pill : Modern, very

If "cool your jets" feels too informal or dated, you might use: you might use: