Related Clues:

• How like Father to turn up initially promptly
• A fool wastes no time in coming
• The way Father comes back without delay by 16 down
• Instanter
• "And make it snappy!"
• Demanding tot's word
• Memo abbr
• "Posthaste!"
• 'I'm not waiting one more second!'
• When you figure out the answer to this clue?
• Promptly, in a memo
• 'Now!,' in a memo
• "... and make it snappy!"
• "What are you waiting for?!"
• 'And quickly!'