Very early in the morning. O’Dark-thirty is aviator speak for those bleak, lonely hours between midnight and 05:00 am. Those hours when your brain is telling your body to rest, relax, sleep.
"During Basic Training you WILL be getting up at O'Dark Thirty!"
Prices shown in USD.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.