Related Clues:

• Prove to be human?
• Need to be set straight
• Mess up
• Type of wire
• Blow one's lines
• Lose one's footing
• "To ___ is human"
• Botch things
• Bobble a grounder, say
• Commit a faux pas
• Experience a brain cramp
• Waste time (with "off")
• Boob
• Be inaccurate
• "To ___ is human . . ."