Related Clues:

• Large currency unit?
• A big spender may flash one
• Big chunk of money
• Cabbage roll
• Clump of 15-Across
• Stash of cash
• Big spender's accessory
• Blob of used gum
• Bankroll?
• Stick of gum, eventually
• Big bankroll
• Little lump
• Mess of dough
• Big bundle of bucks
• Roll of banknotes