urger
n.— «“Urger” is defined in the Dictionary of Racing Slang by Ned Wallish as “a racecourse con man who will urge an unsuspecting punter to back a horse after telling him a most impressive story. If the horse should win, the urger is always present when the punter collects to obtain or demand a portion of the winnings.”» —“Randwick’s last tout: nine tips but none the winner” by Max Presnell Sydney Morning Herald (Australia) June 24, 2004. (source: Double-Tongued Dictionary)