Green’s Dictionary of Slang

(orig. US) used of anything or anyone free or of obtaining something without paying; also adv.

1937		Duckett ‘Double Feature’ in N.Y. Age 3 July 7/1: The idea of ‘going freebie’ begins to get a little pale.
1946		Mezzrow & Wolfe Really the Blues 257: It’s the brakeman who throws freebie passengers off.
1961		R. Russell Sound 284: Bernie, do you recall a broadcast we did [...] A freebie job.
1979		‘Iceberg Slim’ Airtight Willie and Me 203: You copping [...] freebie skag to shoot. Plus all the freebie cunt you can eat.
1983		J. Byrell (con. 1959) Up the Cross 33: He poured The Scholar a freebie double vodka.
1992		A. Duff One Night Out Stealing 7: He wouldn’t have had to demand a freebie jug in the first place.
1999		Indep. Rev. 27 July 11: The freebie circuit is easy to knock.
2001		C. Stella Eddie’s World 240: The guy gets a freebee new start in life after admitting he killed a couple of dozen people.
2011		J.J. Connolly Viva La Madness 16: We’d set up a freebie email account.
2024		J. Meades Empty Wigs (t/s) 917: I give him freebie gobble.