Related Clues:

• Go off the deep end?
• Put money (on)
• Play the slots, e.g.
• Make a wager
• Toss in a chip
• Use a parimutuel machine
• Track placement
• Try for a trifecta
• Trifecta, for one
• Go off the board
• __ bar
• Stack of chips, perhaps
• 'You ___!' ('O.K.!')
• Vegas verb
• A few bucks at Pimlico