oh dark hundred

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English[edit]

Etymology[edit]

From 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.

Noun[edit]

oh dark hundred

  1. (idiomatic) Some unspecified hour in the early morning (implies an unpleasant time to be awake)
    I had to get up at oh dark hundred to catch a plane.

Related terms[edit]