English
Adverb
by thunder (not comparable)
- Used for emphasis, sometimes with a threatening implication.
1849, Masonic Signet and Literary Mirror, volume 1, page 379:"Mr. Pillow, Sir, none of your impertinence, or I will chastise you as well as this fellow." "That's a two handed game, by thunder," said Long Tom, " […] I dare you to deadly combat. […] "
1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 76:"Have it out with him to-night. Fair and square. Out he goes, Edmund, neck and crop. Out, by thunder."