Related Clues:

• Initials for the impatient
• Promptness prompter
• "And hurry!"
• Memo imperative
• Rapidly
• ". . . and make it snappy!"
• Pronto, in a memo
• Quickly, initially
• Shortly, shortly
• Impatient initials
• "... and make it fast!"
• Kin of PDQ
• Urgent letters?
• 'Rush!'
• Wasting no time