Related Clues:

• Chop-chop
• On the double
• Without delay
• Memo letters
• Quickly, quickly
• Legal memo starter
• Letters of urgency
• P.D.Q., updated
• 'I needed it yesterday' abbr.
• 'Don't dawdle!'
• Order on an order
• Quickly
• Lickety-split
• As to
• As regards