I have to wake up at oh dark hundred for work.
oh dark hundred
idiomSome unspecified hour in the early morning (implies an unpleasant time to be awake)
Origin
disputed originFrom military time, in which hours before 10:00 am are prefixed with a zero, read as "oh", and 00 minutes is read as "hundred", as in oh five-hundred for 5:00 am.
The alarm went off at oh dark hundred, and I struggled to get out of my warm bed.
The soldiers were ordered to begin their march at oh dark hundred, long before the sun had even considered rising over the horizon.
- 01
a hundred and ten percent
A level of effort beyond what one can usually sustain; great exertion.
- 02
bat five hundred
To be successful half of the time; to have a success rate of 50%.
- 03
be a hundred years too early
To be so immature and unprepared as to have no hope of achieving an accomplishment.
- 04
dark cloud
A situation or future event that causes worry, problems or unhappiness, likened to such a cloud overhead in the sky.
- 05
dark horse
Someone who possesses talents or favorable characteristics that are not known or expected by others.
- 06
keep it one hundred
To be authentic, to be true to oneself.
- 07
look on the dark side
To examine a situation, usually unfavorable, from a negative perspective; to be pessimistic or miserable.
- 08
oh dark thirty
Some unspecified hour in the early morning (implying an unpleasant time to be awake).