Possible Clues:

• Gambling wager
• It's placed at the track
• Be gob, that's the right lump!
• Play the odds
• Shop on course to do this?
• Daily double, e.g.
• The odds are that this could get wee N at last to the middle
• Word with "wanna" or "you"
• It's of mutuel interest
• Play a trifecta