noun: One who believes that petroleum depletion will inevitably lead to a severe recession or depression, followed by a Malthusian catastrophe.
noun: (neologism, sometimes capitalized) Someone who is apathetic or has a negative prospect towards the world, especially in relation to climate change.
noun: (rare) One who, or that which, dooms.
noun: (video games, informal) A player of the video game DOOM.
noun: Alternative letter-case form of doomer [One who believes that petroleum depletion will inevitably lead to a severe recession or depression, followed by a Malthusian catastrophe.]
noun: Alternative letter-case form of Doomer (“player of DOOM”) [(video games, informal) A player of the video game DOOM.]
