WordNet (r) 3.0 (2006):
puff up v 1: make larger or distend; "The estimates were puffed up" 2: to swell or cause to enlarge, "Her faced puffed up from the drugs"; "puffed out chests" [syn: puff, puff up, blow up, puff out] 3: become filled with pride, arrogance, or anger; "The mother was swelling with importance when she spoke of her son" [syn: swell, puff up] 4: praise extravagantly; "The critics puffed up this Broadway production" [syn: puff, puff up]