noun, abbreviation FDM stands for Full Depression Mode. It’s a psychological state a person can enter, being depressed 24/7. Hardly anything makes them happy anymore. VERY serious.
Used in a sentence as if you were saying the whole three words.
1. My friend has gone FDM. It’s real sad.
2. My friend lives his life in FDM because his gf left him. bruh.
Short for: Festering Dick Madness. A potentially life-threatening condition, caused by chatroulette dicks on the brain; causes the infected individual to talk about dicks for uncomfortably long periods of time.
Micah sure is talking about dick a lot, I can't tell if he has FDM, or if he's just gay