Related Clues:

• Light a fire under
• Waste no time
• Hurry along
• Get the lead out
• Move quickly
• Hurry up
• Speed up
• Expedite
• Move fast
• Go faster
• Hurry up in old-fashioned way
• Act or move fast
• Be quick to do something
• Hurry and see 27 across
• One must not lag when one's got to double figures