What is the meaning of puff up?

verb

• Make larger or distend.
  • usage: "The estimates were puffed up"
• (v.) ()
  • synonyms: puff, blow up, puff out
• Become filled with pride, arrogance, or anger.
  • usage: "The mother was swelling with importance when she spoke of her son"
  • synonyms: swell
• Praise extravagantly.
  • usage: "The critics puffed up this Broadway production"
  • synonyms: puff