Related Clues:

• Without hesitation
• 'On the double!'
• "Stat!"
• Memo letters
• 'Quickly!'
• "Immediately, if not sooner" letters
• Quickly, in the office
• As soon as possible
• PDQ relative
• 'A.S.A.P.!'
• ''Make it snappy!'' initials
• Order request, perhaps
• Soon, in memos
• 'Rush!' order
• 'Right now!'