To blow or breathe out in a quick, forceful manner. He puffed out a cloud of smoke from his cigar.
To swell or become inflated. The pastry puffed up in the oven as it baked.
To move with exaggerated or affected dignity or self-importance. She puffed into the room, clearly proud of her new promotion.
To promote or praise something or someone excessively. The company puffed their new product as the best on the market.