Related Clues:

• Cause distress to
• Really try
• Really get to
• Get on one's nerves
• Be a pain in the neck
• Cause disquiet
• Be a noodge to
• Be a thorn in the side of
• Bug the hell out of
• Rile or rankle
• Be a nuisance to
• Eat at
• Be a pain to
• Irk like crazy
• Keep poking, perhaps