Possible Clues:

• Convertible, possibly
• Seating limited by means of access
• Up to now endless seat
• Oafs (anag.)
• Vegging out spot
• Chaise longue as yet unfinished
• ''Nude Lying on a ___''
• One might be a pull-out
• Up to now has not finished the seat
• Postprandial seat, perhaps