Green’s Dictionary of Slang

(W.I.) to steal.

1816		M. Lewis 7 May in Journal of a West India Proprietor (1834) 254: ‘My neger, my neger,’ said Mammy Luna, ‘why you stop? me tink, you savee well, who thief me?’.
1956		S. Selvon Lonely Londoners 33: What sort of thing is that [...] they not afraid somebody thief the money.
1980		M. Thelwell Harder They Come 247: The lot of them be better off looking for work — or something to thief.
2006		W. Chen Chutney Power and Stories 47: Let we thief that ramgoat.
2011		J.J. Connolly Viva La Madness 303: If you hadn’t of had it theived off ya [...] you wouldn’t of had to steal it back.