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1.
An annoying, pretentious, condescending way of saying "obviously". Used primarily in contexts where the subject in question is not actually obvious. Pronounced, essentially, by faking a cough before saying "obviously".
"Did you hear that 'Avatar' beat 'Titanic' for biggest gross in the international box office?"

"Cobviously! 'Titanic' only made $1.242 billion!"
by NickPo March 01, 2010