Possible Clues:

• Baggy article of Dior's in copies with belt up on top
• Without form, singular unlucky traveller essentially stuck
• Baggy, badly fitting
• Dumpy, small, unfortunate: close to collapse inside
• Son has sleep disturbed — it's irregular
• Dumpy son, unfortunate, without energy
• Son unlucky to embrace sweetheart that's dumpy
• See splash at sea without form
• Criminal lapses, he's without form
• Dumpy son has sleep disturbed