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Spouse or signifgent other that always nags about anything you do or attempt to do.
Person:" I think I would like to watch the game today."

Nagasaurus: "Yea just like every other day, we never do anything any more . We haven't visited my mother in ,I don't know how long." Yadda Yadda Yadda.
by Rock star freddy g June 14, 2011