thunderation

Some word which sounded very much like "thunderation" escaped his lips, but he said no more, for he saw in the sleeping woman's face a look he never mistook.

Miss McDonald Mary Jane Holmes 1866

“And just how in thunderation do you reckon that, when you never even set eyes on her face?” demanded Crockett.

Nevermore Harold Schechter 1999

Would you care to explain what in thunderation is going on?

The Lion’s Lady Julie Garwood 1993

Would you care to explain what in thunderation is going on?

Castles and The Lion’s Lady Julie Garwood 1993

"What in thunderation you doin 'now, son?" he asked Tom.

Tom Swift Jr And His Atomic Earth Blaster Lawrence, James Duncan 1954

"How in thunderation did you all ever get in there?"

The Boy Ranchers on Roaring River or Diamond X and the Chinese Smugglers Willard F. Baker

How in thunderation had it come into Cranston's hands?

Every Man for Himself Hopkins Moorhouse

"What in thunderation started _you_ last night?" said my father at breakfast.

We Three Gouverneur Morris 1914

"For thunderation sakes, Olive, let up!" he commanded.

The Portygee Joseph Crosby Lincoln 1907

Of course, I knew lots of moneyed chaps at Yale; but thunderation, I'd have to want public office a good deal harder than I do to go round cap in hand!

The Freebooters of the Wilderness 1903