Related Clues:

• Overthrow a base, say
• Stray while slightly merry
• Miss an easy one
• Fluff one's lines, say
• Flub an easy one
• Suffer a brain cramp
• Say that the answer to this clue is WRONG, say
• Just be wrong
• Throw into the dugout, say
• Give 'Johannesburg' as the capital of South Africa, e.g
• Earl with posh car? Perhaps this is to be human
• Slip made by Queen introducing Republican
• Require an eraser, perhaps
• Need an eraser, say
• Get one's signals crossed, say