Related Clues:

• Did a human thing
• Behave humanly
• Revealed fallibility
• Go off course
• Do this to prove you're human
• Was less than perfect
• Lapse
• Be human
• Blow one's lines, e.g.
• Foul up
• Sin
• Need correcting
• Fouled up
• Elicit a 26-Down
• Guessed wrong