tarnal

tar·nal

T0048800 (tär′nəl)adj. & adv. Chiefly New England & Upper Southern US Damned. See Note at tarnation.
[Alteration of eternal.]
tar′nal·ly adv.

tarnal

(ˈtɑːnəl) adj (prenominal) damnedadv(intensifier): tarnal lucky!. [C18: aphetic dialect pronunciation of eternal] ˈtarnally adv