Related Clues:

• Ruffled one's feathers
• Steaming
• Plenty mad
• Made mad
• Drove up the wall
• Mightily miffed
• Really angry
• Hardly happy
• Wrathful
• More than annoyed
• Really ticked
• Spitting nails, so to speak
• Way pissed
• Riled up
• Quite angry