Related Clues:

• Blows, as one's lines
• Boots one
• Shows one's fallibility
• Gets off the track
• Bobbles the ball
• Says "for her and I," e.g.
• Flubs one
• Throws wide of the base, say
• Proves to be human?
• Types a typo, e.g.
• Isn't infallible
• Is only human?
• Writes wrong
• Makes a miscalculation
• Performs improperly