Possible Clues:

• Night on the town
• Night on the town in becoming uniform
• Trip in the dark becoming horizontal at home with complaint
• Date for getting rid of inequalities
• Making uniform for a social occasion
• Trip to the theatre, perhaps, is becoming regular
• Removing bumps or inequalities
• Removing inequalities preceding a night away?
• Becoming uniform for a social occasion
• Becoming uniform - social occasion