Related Clues:

• Annoys over time
• Proves troublesome
• Plagues
• Aggravates
• Gets one's goat
• Agitates
• Gets under one's skin
• Gets one's dander up
• Patronizes, as a restaurant
• Really bothers
• Ruffles one's feathers
• Really ticks off
• Peeves
• Whips into a frenzy, with "up"
• Bothers persistently