doomer

Meaning

Noun

• One who believes that petroleum depletion will inevitably lead to a severe recession or depression, followed by a Malthusian catastrophe.
• One who, or that which, dooms.
• Someone who is apathetic or has a negative prospect towards the world, especially in relation to climate change.

Origin

• doom + -er. Derives from a meme, "30 Year-Old Boomer." The derivations of which are other words that end in -oomer, describing various personality types.