Related Clues:

• "You other brothers can't ___..." (Sir Mix-A-Lot line)
• ". . . that nobody can ___"
• "For He's a Jolly Good Fellow" word
• Refuse to cop to
• Repudiate, disavow
• Declare not to be true
• Refuse to admit the truth
• Perhaps the D.I.'s own way to refuse
• Refuse entry to Yawa?
• 16 down, say
• Say that it's not lairish, perhaps
• No saying this begins to be a lair
• Say it 10 across
• Might do this for bidding
• Say it ain't so?