Green’s Dictionary of Slang

(UK juv.) a man with long hair and/or a beard and as such negatively stereotyped as an ‘intellectual’, eccentric or fan of radicial politics.

1967		E. Shepard Doom Pussy 21: Weak-kneed senators [...] no more represented the majority than did the weirdie-beardie sit-in specialists.
1987		W.T. Vollmann You Bright and Risen Angels (1988) 325: The weirdo beardo him fucking self.
2000		Guardian G2 1 June 2: Big mutton-chop whiskers. But still a long way from what they used to call a beardy-weirdy.
2001		OnLine Dict. of Playground Sl. 🌐 weird beard n. scruffy beatnik type, or someone who looked like they were a GreenPeace or CND supporter.
2004		C. Lorrimer Beneath the Sun 182: Larry Bell, the degenerate beardie-weirdie he'd been trying to keep his daughter away from!
2012		J. Fagan Panopticon (2013) 37: [of a woman] Beardy weirdy is downstairs. She doesnae shave her beard.