Related Clues:

• Stick in one's craw
• Annoy greatly
• Evoke bitterness
• Make bitter
• Annoy no end
• Really bug
• Gnaw into
• Really get to
• Arouse bitterness
• Get on one's nerves
• Persistently irritate
• Fester in one's mind
• Continue to irritate
• Bother big-time
• Cause irritation