Possible Clues:

• Hold nothing back
• Don't tuck your shirt in for party! (3,2,3,4,3)
• Laugh a little, not disposed to be very uninhibited (3,2,3,4,3)
• Relax, having finished the washing, perhaps (3,2,3,4,3)
• With washing to dry would you be very relaxed? (3,2,3,4,3)
• 'Get rid of your inhibitions!'
• Enjoy oneself, put every bit of washing on the line (3,2,3,4,3)
• Make no bones about
• Don't remove clothes from the washing line, but from oneself, perhaps?
• Refuse to accept limits