Related Clues:

• Speedily, speedily
• Promptly, on a memo
• PDQ
• "Don't dawdle!"
• "Hurry up," on memos
• Letters of haste
• Memo acronym
• Pronto, on a memo
• Trump's "today!"
• 'On the double!'
• Abbr. that may precede a colon
• "Stat!"
• Memo letters
• 'Quickly!'
• "Immediately, if not sooner" letters