Top Definition
Hell O'clock is when the time is 11:34.

This is because if you flip 11:34 over it looks like "hell"

It was pretty cool to type "1134" on your calculator and turn it upside down in like first grade.
It's hell o'clock.

Meet me at the corner of Broadway and 6th at quarter to Hell.
by Sean Manning May 16, 2006

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