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1.
A once sided conversation; a story that is retold multiple times daily; always changing. With the retelling of the story the facts change and any gaps in the original story are filled in with unrelated current events.
I have heard that johnversation so many times and each time it becomes less and less accurate.
by Karlfred February 15, 2009
 
2.
When a conversation is led by John and you fall asleep three times during it. Usually happens at bi-weekly engineering meetings.
General Manager "Let's keep this short and sweet. John, why don't you start us off."

John "Well......"

*3 HOURS LATER*

John "...I think that about sums it up..."

Jimmy "We really need to stop having these damn Johnversations..."
by Johnversationalist February 02, 2010