
1. Cool Your Jets -
"" is an informal American idiom used to tell someone to calm down , slow down, or stop being so impatient or angry. It suggests that a person should lower their emotional intensity, much like allowing a powerful jet engine to cool off before pushing it again. Origin and History
The phrase emerged in the during the mid-20th century, a period deeply influenced by rapid developments in aviation and the "Space Age". 1. Cool Your Jets
: One of its earliest recorded uses is in the 1952 novel Stand by for Mars! from the Tom Corbett, Space Cadet series, where a character is told, "Cool your jets, space creep!". "" is an informal American idiom used to
: To tell someone to wait when they are rushing a process (e.g., "Cool your jets—the results won't be ready for another hour."). Common Synonyms : One of its earliest recorded uses is
The expression is versatile and typically used in three scenarios:
: A classic alternative for advising patience.





