A stage that can occur in both males and females and is usually caused by obsession of a sexual partner or local "tools". For males, symptoms include tool fashion statements which including the wearing of timberland boots and collared shorts daily, especially with fruity colors and retreating to hoes rather than bros. For females, the most common symptom is the obsession of a sexual partner that is usually an upperclassman high schooler that everyone hates so he retreats to freshman girls and other symptoms are uploading excessive whorish pictures to facebook. People in the dark age are referred to as dark agers, dark vaders, tools, gumby flames, or gumbys.
Person 1: Should we invite Nate over?
Person 2: Naaaa he's in the Dark Ages!