Related Clues:

• Wash hard
• Clean well
• Do some cleansing
• Clean thoroughly
• Prepare to operate
• Clean diligently
• Hit the dirt?
• Cancel, so to speak
• Cancel, as a mission
• Scour thoroughly
• Cancel, à la Mission Control
• Cancel, at Cape Canaveral
• Get ready for surgery
• Third-stringer, say
• Use elbow grease