Possible Clues:

• Going out for example on ship
• Kew Gardens at intervals shut off southern exit
• Oddly edgy on ship’s departure
• Going out, Essex girl initially put on topless gown
• The way out, as on ship
• Barnum 'attraction'
• For instance, topless dress is way out
• In astronomy, the reappearance of a celestial body following an eclipse
• Serge's complex is way out
• For example, put on clothes without a top - how is that way out?