1. A desire to eat snack food
   "I get the munchies at night" 
2. Snack food

Encyclopedia: Munchies

• seasonally
• seasoned
• seasoned salt
• seasoner
• seasoning
• seat
• seat cushion
• seat-of-the-pants
• seatbelt
• seated
• seating
• seating area
• seating capacity
• seating room
• seats
• Seattle
• Seattle Slew
• seawall
• seaward
• seawards
• seawater
• seaway
• seaweed
• seaworthiness
• seaworthy