doggone

from The Collaborative International Dictionary of English v.0.48

doggone \dog"gone\, doggoned \dog"goned\, 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] doggone

from The Collaborative International Dictionary of English v.0.48

doggone \dog"gone\, doggoned \dog"goned\, adv.
   Damned; darned; -- used as an informal intensifier; as, he's
   a doggoned good golfer. [Informal]
   [PJC]

from The Collaborative International Dictionary of English v.0.48

doggone \dog"gone\, v. t. [Euphemism for God-damn.]
   Damn; -- used to express displeasure or annoyance; as,
   doggone it!. [Informal]
   [PJC]

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