Related Clues:

• Test the strength of, chemically
• Work up
• Rabble-rouse
• Convulse
• Stir up trouble
• Foment
• Make nervous
• Toss
• Rile up
• Churn up
• Make trouble
• Create a stir
• Bring to a fever pitch
• Stir vigorously
• Disturb or churn