Noun. A man diary is the same thing as a journal or a diary. It is used to add masculinity to such phrases as, "I write tender stories of my day in my man diary." This also applies to blogs, ie. livejournal, blurty, xanga.
"Yo dude, let me look at your man diary, give me the link."
by The Legendary Ironwood March 21, 2005

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