Related Clues:

• Bitter nut
• Caffeine-laced nut
• -- nut (caffeine source)
• Nut for caffeine?
• Nut with caffeine
• Nut that's a source of caffeine
• Soda nut
• Nut used in soft drinks
• Kind of a nut
• Caffeinated nut
• Nut for drinks
• Soda pop nut
• Nut with caffeine (Var.)
• Inca ___ (Peruvian soft drink)
• Often-chewed nut