Related Clues:

• Flub a line, say
• Get someone's name wrong, e.g
• Come a cropper in Kielder Reservoir
• Show imperfection
• Require an erasure
• Forget to carry the one, e.g
• Demonstrate fallibility
• Go bad?
• Make blunders
• End up short, say
• Show one's humanity
• Say irregardless?
• Make a wild throw, say
• Sin initially expiated by bishop
• Exhibit imperfection