Cool your jets?
From aviation. After landing, and aircraft's engines are turned off, allowing the jets to literally cool down. A command to stand down from battle readiness, or in general usage to calm down and step away from a situation or anger.
From aviation. After landing, and aircraft's engines are turned off, allowing the jets to literally cool down. A command to stand down from battle readiness, or in general usage to calm down and step away from a situation or anger.