Related Clues:
- Experiment runners?
- Unwanted rodents
- 'Peanuts' expletive
- 'Darn it'
- 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!"
- Lab-maze solvers
- What Charlie Brown says when he's mad
- Laboratory maze critters