Meaning of puff up

Definition of puff up

(verb) make larger or distend; "The estimates were puffed up"
to swell or cause to enlarge; "Her faced puffed up from the drugs"; "puffed out chests"
become filled with pride, arrogance, or anger; "The mother was swelling with importance when she spoke of her son"
praise extravagantly; "The critics puffed up this Broadway production"

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