Related Clues:

• Caplet, e.g.
• Gadfly
• Broken-down horse
• Cylinder diameter
• Overworked horse
• Just what the doctor ordered
• Tedious type
• Stay on one's case
• Complain, complain, complain
• Long-winded fellow
• Hector
• Yawn producer
• Complain chronically
• Placebo, e.g.
• Caplet