Possible Clues:

• Do the smart thing on fourth-and-long
• Kick with a "hang time"
• Pole-propelled boat
• Boat once current across the water
• Many a fourth-down play
• Give up the pigskin
• Turn over the pigskin, in a way
• One way to transfer the pigskin
• Pre-euro currency unit of Ireland
• It's made by a better boat