Related Clues:

• Rile or rankle
• Be a nuisance to
• Be a pain to
• Do some button-pushing, so to speak
• Irk like crazy
• Be a pest
• Keep poking, perhaps
• Test the patience of
• What pests do
• Bug like a 24-Down
• Get on the nerves of
• Rattle one's cage
• Irritate, annoy
• Annoy in quirky way
• Irritate.