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The act or practice of being a bigmouth i.e. to wantonly offer one's opinion at will, whether well-reasoned or not.
"'My opinion is of such importance that it is incumbent upon me to have a blog page so that the less fortunate may bask in my totally uninformed thoughts. That's why it's called 'Bigmouthery'". - N Francis Doyle, Bigmouthery blog.
by Space oreo July 28, 2009
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