An informal term for a crazy person or eccentric — someone whose behaviour is erratic, unpredictable, or wildly unconventional.
An informal term for a crazy person or eccentric — someone whose behaviour is erratic, unpredictable, or wildly unconventional. Used more affectionately than pejoratively in many contexts, especially among friends. The '-head' suffix is a common English slang formation used to describe people defined by a particular trait.
Only a complete crazyhead would sign up for a midnight marathon in December.
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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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(slang) crazy, mad, insane.
A colloquial phrase meaning crazy, mentally unstable, or simply eccentric in a way that's hard to explain. 'Funny in the head' has that familiar folk-wisdom quality — it doesn't diagnose, it just observes that something upstairs isn't quite right. The phrase can be used critically about genuinely erratic behavior, or more lightly about someone who's just a bit odd or quirky. It's been part of informal English speech for generations and still rolls naturally off the tongue.
(slang) An eccentric or crazy person.
A playfully exaggerated term for someone who is acting wildly irrational, unpredictably unhinged, or just spectacularly eccentric — either as a noun (that person is a total crazypants) or as an adjective (that idea is completely crazypants). The '-pants' suffix is a classic English comedy construction that softens and cartoonifies whatever word it's attached to, making the insult more affectionate than hostile. You'd call someone a crazypants with a grin, not a grimace. Common in informal American speech and online culture.
(slang) A crazy person; an eccentric.
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