Related Clues:

• Like a nerd's shirt pocket, stereotypically
• Dark and murky
• Not aflame
• Not matched up?
• Like a burned-out bulb
• Dark, as a room
• Not ignited
• Stained, in a way
• Like the inside of a coffin
• One of the Pac-Man ghosts
• Like a new cigarette
• Completely dark
• Like the inside of a closed refrigerator
• Like a darkened room
• One may be in the dark until it's like this