Definitions of puff:

• noun:   a slow inhalation (as of tobacco smoke)

  Example: "He took a puff on his pipe"

• noun:   exaggerated praise (as for promotional purposes)
• noun:   a light inflated pastry or puff shell
• noun:   a short light gust of air
• noun:   forceful exhalation through the nose or mouth

  Example: "He blew out all the candles with a single puff"

• noun:   a soft spherical object made from fluffy fibers; for applying powder to the skin
• noun:   bedding made of two layers of cloth filled with stuffing and stitched together
• noun:   thick cushion used as a seat
• verb:   to swell or cause to enlarge, "Her faced puffed up from the drugs"
• verb:   speak in a blustering or scornful manner

  Example: "A puffing kind of man"

• verb:   praise extravagantly

  Example: "The critics puffed up this Broadway production"

• verb:   blow hard and loudly

  Example: "He huffed and puffed as he made his way up the mountain"

• verb:   smoke and exhale strongly

  Example: "Puff a cigar"

• verb:   suck in or take (air)
• verb:   make proud or conceited

  Example: "The sudden fame puffed her ego"

• verb:   breathe noisily, as when one is exhausted
• adjective:   gathered for protruding fullness

  Example: "Puff sleeves"

• name:  A surname (very rare: popularity rank in the U.S.: #19483)