- damnation; hell.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for darnation
Darnation take it, what in blazes are you shouting around for at this hour of the night?
It needs a darnation clear head, and big acts, to best Fyles.
I'll be darned to darnation if I du, and that's the eend on't!
The one wears you out, the other rests you for all his darnation foolishness.The Ancient Law
Jest get to it an' set all the darnation territory you ken find between you an' Bell River before to-morrow.The Triumph of John Kars