Related Clues:

• It gets one's dander up
• Organ on the left side of the body
• Angriness
• Anger or wrath
• Steam up
• Something that's worked up
• Hamster, e.g.
• Vex
• Wind up
• Hotness under the collar
• Discommode
• Cause agitation
• Furor
• Force out
• Ductless organ