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when some bitch decides to be crap and gives you a smug smile, like she's very pleased with herself and is way smarter then you can ever hope to be.
That asshole just smug-mouthed me for not believing that barack obama would win the election.
by exasperateddd May 12, 2009
4 0

Words related to smug-mouth:

annoying bitch dumb fuck loser retard