Related Clues:

• Kin of PDQ
• Urgent letters?
• 'Rush!'
• Without further ado
• Wasting no time
• Memo directive
• Forthwith
• "I need it yesterday!" initials
• Very quickly
• Speedily, speedily
• Promptly, on a memo
• PDQ
• "Don't dawdle!"
• "Hurry up," on memos
• Letters of haste