Related Clues:

• Stamp on an order
• 'At once!'
• Rush order?
• Chop-chop!
• ''Immediately if not sooner!''
• Rush-job acronym
• This minute
• ''Quickly!'' acronym
• Word on an urgent message
• Without delay, in a memo
• 'Right away!'
• ''On the double!''
• Posthaste, briefly
• ASAP
• ''And make it snappy!''