1 definition by FoxyBrown92

An ungodly hour that one finds themselves awake at, but dont want to be.

Used as a mesurement of time between the hours of 4 - 6 am.
"I had to wake up at Bumfuck O' clock today to get to work"

"Whats this c@#t doing up at Bumfuck O' clock in the morning?"
by FoxyBrown92 November 4, 2017
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