Related Clues:

• Unfold
• Unlock
• Unwrap
• Cry of the police while pounding a door
• Not hold it in
• Expand
• Get serious
• 'I know you're in there!'
• Door pounder's demand
• Police order!
• Don't mince words
• Bare one's soul
• Call from one knocking
• Police order
• Knocker's demand