Possible Clues:

• Pro, half the time
• One might argue that this might buck around a fly-by-night
• Wrangler does without club
• Person discussing animals outside club
• I argue that mammal should eat mammal
• Lincoln or Douglas
• One in dispute about a debt may hesitate
• For the sake of argument, one might buck around a fly-by-night
• One engaged in public argument
• One may argue that the deer is about to fly by night