Related Clues:

• Lacking credit, cancels membership fee
• Heros, to some
• Teachers' fill-ins, for short
• Heroes that don't wear capes
• Extended lunches?
• Fees paid to club for bench warmers
• Some are footlongs
• Grinders and hoagies
• Deli heroes
• U-boats, e.g
• Superlong deli sandwiches