Possible Clues:

• Hangs tinsel, e.g.
• Bother with sailors beginning to swab decks
• A party with sailors on their top decks
• Commotion — sailors start scrubbing decks!
• Makes ornate
• Decks the halls?
• Trouble on Navy's decks
• 'Decorates, embellishes (6)'
• Decks Don King unexpectedly, when going outside
• A party's to have lots of sailors etc. invading decks