Top Definition
when something is available for everyone to see. When an item or another object isn't kept secret, but rather open to the public.
Nicole: Andy, you can't go around reading other people's text messages
Andy: Sorry. I-I-I th-thought it was common public knowledge!

or

Amy and Malory: Andy, stop creeping around our hallway
Andy: Well it's common public knowledge
by trackster9 October 26, 2009
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