Green’s Dictionary of Slang

1. an eccentric person.

1894		A.S. Robertson Provost o’ Glendookie 101: ‘He’s awa without his curran’ loaf.’ ‘He’s a weerdie.’ [EDD].
1949		W.R. Burnett Asphalt Jungle in Four Novels (1984) 129: He’s a weirdy, all right.
1959		Galton & Simpson ‘The Poetry Society’ Hancock’s Half-Hour [Radio script] I am not a weirdy. My dress is merely a symbol of my hatred of convention.
1959		C. MacInnes Absolute Beginners 31: I went out and [...] found that horrible old weirdie Vernon had built himself a cuckoo’s nest there.
1960		(con. 1940s) G. Morrill Dark Sea Running 103: The only other guy this way was the messboy [...] — a real weird-ball.
1963		L.F. Freed Crime in S. Afr. 74: With their ghostly faces and lank unkempt hair they claim to be the ‘weirdies’ of the new Johannesburg.
1975		D. Nobbs Fall and Rise of Reginald Perrin (1976) 192: Load of weirdies came along last summer and had a festival, Druids or something.
2023		R. Milward Man-Eating Typewriter 439: ‘He looks like a scoundrel. He’s a weirdy all right’.

2. anything, typically a book or film, that is considered fantastic, bizarre or grotesque.

1948		Astounding Science Fiction Jan. 15: The Cosmos had one of its feature writers compose a weirdie about a world consisting of beings of pure mind .
1955		‘Ed Lacy’ Best that Ever Did It (1957) 24: This case is a weirdie; not an angle makes sense.
1962		Listener 14 June 1043/3: The Lake Lovers is a weirdie.
1963		in T.I. Rubin Sweet Daddy 76: This dream was a weirdy.

3. a male homosexual.

1984

Partridge DSUE (8th edn) 1316/1: since ca. 1960.

4. (US campus) an unattractive female.

1967–8

Baker et al. CUSS.