Related Clues:

• "Are You --- to the Jive?"
• Written material
• Onto the jive
• Ad text
• "With it"
• Like jazzmen
• Zoot-suited, say
• "Roger that"
• Cool, in the '40s
• Viral inflammation, informally
• Cool, in the '50s
• Hardly old-fashioned, in an old-fashioned way
• Cadence shout
• CBer's acknowledgment
• Not at all square