Related Clues:

• Get to, in a bad way
• Stir to anger
• Test the patience of
• Bug and more
• Annoy but good
• Bug like a 24-Down
• Get one's blood boiling
• Really upset
• Get on the nerves of
• Rattle one's cage
• Make hopping mad
• Really rankle
• Irritate, annoy
• Annoy in quirky way
• Irritate.