Green’s Dictionary of Slang

a general excl. of dismissal, go away! be off!

1950		Chronicle Express (Penn Yan, NY) 11 May 1/3: The popular young pastor used the slang phrase ‘Get Lost’ to make his point.
1955		B. Schulberg On the Waterfront (1964) 28: ‘Get lost,’ Terry said, humorously.
1964		H. Selby Jr Last Exit to Brooklyn 231: Get lost bitch before I break ya head.
1971		A. Buzo The Roy Murphy Show (1973) 121: roy: Get lost! clarrie: Shut up!
1974		(con. late 1940s) E. Thompson Tattoo (1977) 602: ‘Get lost, crumb!’ she snapped.
1982		A. Bleasdale ‘George’s Last Ride’ in Boys from the Blackstuff (1985) [TV script] 267: Get lost, will you!
1989		C. Hiaasen Skin Tight 281: Now turn off the spotlight and get lost.
1999		Observer Rev. 4 July 11: Get lost, you fucking little rat.
2006		G. Iles Turning Angel 340: Get lost, then.
2010		(con. 1973) C. Stella Johnny Porno 47: Vento turned and glared at her again. ‘Get lost’.
2011		567 Cape Talk on Cape Radio 4 Mar. [radio] He asked me for my battle details. I said ‘Get lost!’.