An event apparently occuring when more than 2 co-workers are gathered. They may simply be discussing the weather, or something work related, but still their manager will come along and call this session a 'Kitchen Party'.
Ex:

Staff member 1: "Hey, John, did you get that report on the Miller case?"

Staff member 2: "Yes, Megan, I did. Thanks for you that."

*enter manager*

Manager: "What's this? A kitchen party?"
by TitsMcgee001 January 17, 2012
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