Related Clues:

• Pet given oxtail?
• Optimistic investor to follow a very determined person
• Sort of clip that's found at the end of a lead
• Clip lug brawling with bold boxer
• Interchange leads to dreary Slough, symbol of Britain
• Canine (British?)
• One noted for stubborn tenacity making target with almighty backing
• Inconsistent statement to plague Oxford official
• Stocky puppy
• Short-haired canine
• Oxford college attendant gives edict: Do good
• Male animals breed!
• Sturdy 'British' dog
• See aggressive male do good -- man of courage?
• Rubbish setter, perhaps, but one with tenacious spirit