Green’s Dictionary of Slang

used as intensifier, usu. positive; also as adv.; thus blindingly adv.

1896		Sheffield Wkly Teleg. 4 jan. 8/1: I’ll take blindin’ good care nobody nips in between me and my bit of road.
1939		H.E. Bates My Uncle Silas 123: It was a blinding hot day in July.
1941		‘A Malta Song’ in C.H. Ward-Jackson Airman’s Song Book (1945) 146: Ain’t they binding lovely aircraft?
1961		R. Gover One Hundred Dollar Misunderstanding 149: One glorious blaze of blinding speed.
1978		F. Norman Dead Butler Caper 106: Clews had made it blindingly obvious that he considered me a bigger liar than Tom Pepper.
1981		J. Sullivan ‘Go West Young Man’ Only Fools and Horses [TV script] A right blinding night I’ve had.
1998		G. Burn Happy Like Murderers 226: Blinding worker. Always at work.
2000		N. Griffiths Grits 441: Me first E was fuckin perfect, blindin, nowt wrong wiv it at awl.
2004		IOL News (Western Cape) 26 Sept. 🌐 Males [...] getting blindingly drunk and dribbling on about tits and footie wasn’t cutting it any more.
2005		Observer Mag. 27 Nov. 10: Hell would be somewhere where people are out of a job forever, and heaven would be somewhere they’ve got a really blinding job forever.
2019		Times 29 Aug. 1/5: The Speaker said it was ‘blindingly obvious that the purpose of prorogation now would be to stop parliamnt debating Brexit’.