Related Clues:

• Speak out of turn, e.g.
• Bug, perhaps
• Commit a boo-boo
• Lose money on "Jeopardy!"
• Try to fit a square peg in a round hole, e.g.
• Commit catcher's interference, e.g.
• Botch something up
• Drop a brick, so to speak
• Shortstop's blunder
• Sail off-course, e.g.
• Go amiss
• "File not found," e.g.
• "To __ is human ..."
• Make a wrong move
• Misapprehension