Possible Clues:

• Indigestible food for example .... sent back
• Dull work good chap wants to avoid, after starting
• Stuff, as with food
• Fare brought back in coach, not a heavy fare
• Heavy solid food
• Seconds? Willy's right off heavy food
• Stuffy type
• Indigestible food, for example ... - sent back
• Heavy stuff, say, Dorothy's put up
• Heavy, uninteresting food