Related Clues:

• Pours dish detergent in the washing machine, say
• Dumps pet food into the water bowl, say
• Scores an own goal, say
• Makes a wrong move
• Has things backward, say
• Writes the wrong ZIP code, say
• Captures a 'poisoned pawn' in chess, e.g
• Calls a ball a strike, say
• Slips, say
• Makes a typo, maybe
• Does something accidentally, perhaps
• Commits a fumble
• Drops the ball, say
• Calls someone by the wrong name, say
• Needs to be corrected