WordNet
racetrack tout
n. someone who offers advice about betting on horses (either to influence the odds or in the hope of sharing some of the winnings)
Usage examples of "racetrack tout".
That explains what he was doing out in the street when I came here, dolled up like a racetrack tout.
With his flushed face and squinted eyes he had the look of a racetrack tout.
I'd argue that it's impossible to make this sort of connection in a premeditated way, gauging the market like a racetrack tout with a hot tip.
The counterman, the ticket-girl, the projectionist, and a tall man in a sportcoat that looked as if it belonged on the back of a racetrack tout were clustered together in a tight little group.