Related Clues:

• Letters of haste
• Memo acronym
• Pronto, on a memo
• Trump's "today!"
• 'On the double!'
• "Stat!"
• Memo letters
• Initial
• 'Quickly!'
• Successful finish
• "Immediately, if not sooner" letters
• Maiden
• Quickly, in the office
• As soon as possible
• PDQ relative