TOUT

noun

1. Someone advertising for customers in an aggressive way.
2. A person, at a racecourse, who offers supposedly inside information on which horse is likely to win.
3. A spy for a smuggler, thief, or similar.

verb

1. To flaunt, to publicize/publicise; to boast or brag; to promote.
2. To look upon or watch.
3. To spy out information about (a horse, a racing stable, etc.).