What is the meaning of tout?

noun

• Someone who buys tickets to an event in order to resell them at a profit.
  • synonyms: ticket tout
• Someone who advertises for customers in an especially brazen way.
  • synonyms: touter
• One who sells advice about gambling or speculation (especially at the racetrack.
  • synonyms: tipster

verb

• Advertize in strongly positive terms.
  • usage: "This product was touted as a revolutionary invention"
• Show off.
  • synonyms: boast, swash, shoot a line, brag, gas, blow, bluster, vaunt, gasconade