Related Clues:

• String/mung
• Zilch, south of the border
• 'You don't know ___!'
• Coffee-grinder input
• Bupkis
• Diddly squat
• Spill the --
• It's really nothing to a Spaniard
• Mail aid
• Nothing, in Nuevo Laredo
• Nothing, south of the border
• The White House's is 20500
• ___ Surf
• Zaragoza zilch
• 'The musical fruit'