Related Clues:

• Urgent letters?
• 'Rush!'
• Wasting no time
• Memo directive
• "I need it yesterday!" initials
• Very quickly
• Speedily, speedily
• Promptly, on a memo
• PDQ
• "Don't dawdle!"
• Letters of haste
• Memo acronym
• Pronto, on a memo
• Trump's "today!"
• 'On the double!'