dog·gone 
(dôggôn, -gŏn, dŏg-) Informal
(dôggôn, -gŏn, dŏg-) Informal tr. & intr.v. dog·goned, dog·gon·ing, dog·gones
To damn.
interj. & n.
Damn.
adv. & adj. also dog·goned (-gônd, -gŏnd)
Damned.
[Alteration of Scots dagone, alteration of GODDAMN.]