a. [ Euphemism from God-damned. ] Damned; confounded; -- used as an expression of displeasure; as, I wish those doggone telemarketers would quit calling at suppertime. [ Informal ] [ PJC ]
adv. Damned; darned; -- used as an informal intensifier; as, he's a doggoned good golfer. [ Informal ] [ PJC ]