Related Clues:

• Fast
• On the double
• Without delay
• Now
• R.B.I., e.g.
• Memo letters
• Baseball card number
• Suffix with thermo-
• Quickly, quickly
• Letters of urgency
• P.D.Q., updated
• Piece of info
• 'I needed it yesterday' abbr.
• 'Don't dawdle!'
• Order on an order