Green’s Dictionary of Slang

1. an eccentric, a peculiar person.

1955		L. Feather Encyc. of Jazz 347: weird-o: a weird person.
1963		J. Blake letter 21 Jan. in Joint (1972) 197: Saying what a drag to have all the winos and weirdos back on Flagler.
1974		(con. late 1940s) E. Thompson Tattoo (1977) 606: The old weird-o in high top sneakers with his pants rolled to his knees and dippy sailor’s cap.
1984		Flame : a Life on the Game 62: Jesus Christ must have been a weirdo, hanging around the desert with twelve mouldy hippies.
1984		Benjamin & Pearl Limericks Down Under 30: A weirdo in old Kirribilli / Was gone on a (four-footed) filly.
1991		R.G. Barrett Between the Devlin 39: ‘Some of the greatest weirdos I’ve ever come across. Wait till you meet them’.
1998		Source Oct. 236: I’m a hip-hopper, but I’m not a weirdo.
1999		Indep. Rev. 4 Aug. 12: The idea that this is a slightly wafty, airy-fairy place full of hippy, green weirdos couldn’t be further from the truth.
2002		A. Duff Jake’s Long Shadow 29: Shit, listen to ’em: endless line-up of idiots, losers and weirdoes.
2010		L. Redhead Thrill City [ebook] He was a bit of a weirdo [...] One of those antigovernment, hermit types.
2013		K. Sampson Killing Pool 304: Got to hand it to the old weirdo, he moves fast for a fella his age.
2013		T. Pluck ‘Story of O Street’ in Life During Wartime (2018) 51: [A] Little Weirdo Who Would Wind Up a Gravedigger or Something.
2018		I. Welsh Dead Man’s Trousers [41]: That fucking weirdo was going to shoot Franco and Melanie!
2020		M. Hyde in Guardian 5 Sept. 🌐 Falling by the wayside too, alas, is another of Cummings’ misfits/weirdos.
2021		T. Pluck Boy from County Hell 105: The fat weirdo.

2. one who enjoys non-standard sexual practices; also attrib.

1968		K. Brasselle Cannibals 212: Leonard Morris is a weirdo who digs seeing girls make it together.
1975		J. Wambaugh Choirboys (1976) 232: I said the weirdo has nineteen inch arms!
1989		Kirk & Madsen After The Ball 46: Most straights lump homosexuals into the ‘creepy weirdo’ class – alongside necrophilia, bestiality [...] and snuff sex.
1999		T. Dorsey Florida Roadkill 80: Foot weirdo.
2004		T. Winton ‘Abbreviation’ in Turning (2005) 24: He wondered what it’d be like to have an older sister. How could you stand the sight of all that flesh without turning into some kind of sister-weirdo?
2010		(con. 1973) C. Stella Johnny Porno 12: Weirdos came to see this one [i.e. the porn movie Deep Throat] ’ll pro’bly love that one too.
2011		H. Davidson ‘This Little Piggy’ in Pulp Ink [ebook] She had special nicknames for the real weirdos. There was her regular four o’clock Tuesday appointment, who liked her to wear pink marabou stilettos [...] she called him Frederick’s of Hollywood.