Definitions of tout:

• noun:   someone who advertises for customers in an especially brazen way
• noun:   someone who buys tickets to an event in order to resell them at a profit
• noun:   one who sells advice about gambling or speculation (especially at the racetrack)
• verb:   advertize in strongly positive terms

  Example: "This product was touted as a revolutionary invention"

• verb:   show off
• name:  A surname (very rare: popularity rank in the U.S.: #59619)