Related Clues:

• Old-time oath
• Charlie Brown exclamation
• Plague carriers
• Cousin of 'harrumph'
• Vermin
• 'Hogwash!'
• 'I don't buy it'
• Charlie Brown oath
• Word of contempt
• Snitches
• Lab subjects
• Phooey!
• 'Balderdash!'
• They may be found in labs
• Gang pariahs