Related Clues:

• Start
• Start up
• Call up, as reservists
• Set in motion
• 'Move it!'
• Trigger
• 'What are you waiting for?!'
• Turn on
• 'Don't just stand there!'
• Start the job
• Words from the boss
• Boss's "What are you waiting for?!"
• "Keep a-movin'!"
• Order to a slacker
• 'C'mon, chop-chop!'