Related Clues:

• Cry often made while snapping the fingers
• Squeals (with "on")
• "Curses!" to Charlie Brown
• See 24
• First word of 'The 21 19'
• Snoopy's imprecation — vermin
• Pied Piper followers
• "Dang it!"
• 'Gosh golly!'
• Lab-maze solvers
• What Charlie Brown says when he's mad
• Laboratory maze critters
• Hamelin pests
• Pied Piper's pack
• Winston's biggest fear in '1984'