Three-filling sandwich, briefly

• Short-order order, for short
• Sandwich that's definitely not glatt
• Crunchy lunch, initially
• Subway initials
• Meat-and-veggie sandwich
• Three-layer sandwich, for short
• Sandwich with one type of meat and two vegetables, for short
• PBJ alternative
• Crunchy diner sandwich

Wiktionary Word definitions in Wiktionary
n. (context cooking initialism English) A sandwich with bacon, lettuce and tomato as the main ingredients.