Tarnation is a euphamism for "damnation" or even "eternal damnation" just like darn is a euphamism for damn or as heck is to hell. It is used to show disgust
What in tarnation is going on here!
by Larry Wenzel January 7, 2007
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Get the Tarnation mug.Often associated with the area of North Carolina when soldiers and settlers would walk through the piedmont region and their feet would become covered in tar. Thus the term "tarnation"
by Queen Bee May 13, 2003
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Get the tarnation mug.the word you use when you wanna cuss but you cant because your being watched instead of "what the fuck" you say "what in tarnation"
by Radek the sheep March 8, 2017
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