Related Clues:

• Get started
• Ruffle some feathers
• Exasperate
• Steam
• Get in a lather
• Stir up, without a spoon
• Fire up
• Rile up
• Churn up
• Send into a tizzy
• Ruffle one's feathers
• Get one's dander up
• Annoy greatly
• Anger, with 'up'
• Antagonize