Related Clues:

• Go weak in the knees
• Basic sandwich
• Brief diner order?
• Short order that often comes with toothpicks
• Barman gets tea with deli favourite
• Lunch menu letters
• Show little willpower
• Sandwich that's now a potato chip flavor
• Gooey sand-wich
• Go all weak in the knees
• It's often a double-decker
• Tripart sandwich
• Noted three-ingredient sandwich
• It's about as old as the club
• Get gooey