Top definition
The specified hour of the working day designated to verbally offending your office/workplace.

Not to be used for bullying and/or attacking a boss or colleague.

Origins can be found in the book 'Suck my Naked Mole-Rat' by Laura George.

The author of the book is generally credited with the word's creation
Lucy: Hey it's 11am, you know what time it is...

Tim: Yeah, it's Vom-Hour !!!

Luke: I Saw this bird shat in the street last night, i think it must have been eating grapes or something ?!?!?

Lucy: Why grapes?

Luke: Because it tasted like grapes.

Lucy: Ewwww, It's definatly Vom-Hour !!!
by Pangus-dangus April 21, 2009
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