puff up

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”