Green’s Dictionary of Slang

1. to horrify, to play mental games; to disorientate.

1976		R. Price Blood Brothers 32: Stony wanted to ask Chubby if he knew he was singing like a crazy man during the fight but the memory of the sound weirded him out.
1983		R. Price Breaks 188: Oh good, let’s play games, let’s weird out the pickup.
1992		K. Lette Llama Parlour 102: Don’t weird me out. You’re whacked. You dunno what you’re sayin’.
2002		C. Plum-Ucci What Happened to Lani Garver i: This guy has heard all; you cannot weird him out.
2010		Codella and Bennett Alphaville (2011) 12: It weirds the guy out that a cop knows a spot location.
2024		D. Swierczynski California Bear 20: He was still weirded out by being a surrogate parent.

2. (drugs) to experience or cause to experience hallucinations from intoxication by narcotics.

1972		Smith & Gay Heroin in Perspective.
1979		H. Feldman et al. Angel Dust 152: If they know somebody is weirding out nobody will give it to him.
1998		P. Cornwell Point of Origin (1999) 152: Prozac weirded her out.

3. to feel or to cause to feel confused or at a loss, thus weirded out, confused disoritentated.

1972		Eble Campus Sl. Oct. 6: weird out – to have a bizarre effect: That scene really weirded me out.
1979		L. Bangs in Psychotic Reactions (1988) 285: I complained I was getting weirded out by other people.
1981		Eble Campus Sl. Fall 7: weird out – to feel confused and at a loss because of someone’s strangeness.
1995		M. Dibdin Dark Spectre (1996) 15: Jamie broke into sobs. ‘I’m feeling weirded out. Like totally.’.
2000		J.J. Connolly Layer Cake 119: I wake up suddenly from my dream, feeling right weirded-out.
2009		J. Joso Soothing Music for Stray Cats 52: It totally weirds me out.
2014		B. Kroeber ‘Be My Alibi’ in ThugLit Sept. [ebook] Shit is weirding me out.