Noun - A First Person Shooter video game made in the 1990's, or such a game released since then that is characterized by the same conventions of the time.
Examples can include Wolfenstein 3D, DOOM (1993), DOOM II: Hell on Earth, DOOM 64, Duke Nukem 3D, Shadow Warrior (1997), Blood, Quake and Quake II, DUSK (2018), etc.
A young personobsessed with classic FPS games such as Doom, Quake, and Duke Nukem. They often only play them because they think it makes them look cool.
Booper scooper is someone who is a ghost and always eats food rather than doing something productive. Although booper scoopers are also people who tend to have many cans of dip and lovenicotine and snort like a pig in a hick like nature.