To utter suddenly or inadvertently; divulge unadvisedly: commonly with out.To treat contemptuously.To puff or emit the breath explosively as in sleep, or contemptuously as in saying “pooh”; puff in scorn or with a contemptuous expression of the lips.To burst out weeping.n. A sudden puff or emission of the breath, especially in contempt, as when saying “pooh.”