fossil fool
(pejorative, slang) One who uses fossil fuels without concern for their environmental impact.
Definitions
(pejorative, slang) One who uses fossil fuels without concern for their environmental impact.
I think that will be around 2012, when the net present value of solar electricity will basically be at parity with grid-based fossil fool electricity in many markets without subsidy.
“Yes, I mistakenly used compilation versus composition. That's because I'm a scientist unlike a philosophy major fossil fool like you.”
— Bluesky· May 2026
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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- foolio66%
(slang) A fool.
- fule64%
(dialectal, chiefly, Scotland) fool.
- fooligan64%
(slang) A foolish or naive troublemaker.
- foolio62%
A playful, affectionate-to-mock variation of 'fool' with an added -io suffix that makes it sound like you're naming a cartoon character — which is sort of the point. Calling someone a foolio is rarely a hard insult; it's usually said with laughter barely suppressed, the verbal equivalent of an eye-roll paired with a head shake. Common in casual American speech, hip-hop-influenced language, and friend groups where roasting is a love language.
- fuckoid61%
(rare, slang, derogatory, vulgar) An obnoxious or contemptible person.