Related Clues:

• 'What ___?'
• In the on-deck circle
• Cashier's cry
• At the front of the line
• Casting director's dismissal
• Closest
• Nearest in space or position
• Barber's invitation
• Vaccinator's call
• On deck
• At the head of the line
• Ensuing
• Call to the head of the line
• Barber's call
• Waiting-room call