Related Clues:

• At one's earliest convenience (abbreviation)
• As soon as possible (abbrev.)
• A fool, and how one should be parted from his money?
• Reptile protects its own head at the earliest opportunity
• Exec's "By yesterday!"
• "Pronto!" in memos
• Much faster than soon
• "Chop-chop!" on a memo
• Letters causing a rush
• "Right now!"
• "Drop everything!" for short
• Acronym demanding immediate action
• Letters for the hurried
• "I need it yesterday!" letters
• Like a P in PDQ