Related Clues:

• 'Really? -- who?!'
• Verb in Popeye-ese
• Declares, informally
• 37-Across, informally
• Says (slang)
• Comes out with, casually
• Declares, so to speak
• 'Yeah? who?'
• ' who?'
• '___ who?' ('I'm not buyin' it')
• States, in the funny papers
• 'Oh really? -- who?!'
• 'Oh really? ___ who?'
• 'Oh, yeah? ___ who?'
• '__ who?!'