Top Definition
When the temperature outside drops below 18 degrees. See also jailbait.
Mack: Dude, I cannot BELIEVE I moved this far north. Yesterday it was 30 degrees outside.

Jack: Ha, wait until December. You're gonna need a new jacket, gloves and hat when it drops down to jailbait temperatures.
by President Warren G. Harding December 09, 2009
6 Words related to jailbait temperatures

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