"As long as there are any of us left sound and healthy we've got a chance - a thundering good chance."1951, John Wyndham, The Day of the Triffids, Harmondsworth: Penguin Books, published 1954, page 112:
Etymology From Middle English thundryng, þondring, from Old English þunring (“thundering; thunder”), equivalent to thunder + -ing.
1
A loud percussive sound, like thunder.
I listened while God seemed to speak through the thunderings of the great cataract before me.1833, Bela Bates Edwards, Memoir of the Rev. Elias Cornelius, page 275: