doggone

 
Pronunciation: /ˈdɒgɒn/
North American informal

adjective

[attributive]
  • used to express feelings of annoyance, surprise, or pleasure: now just a doggone minute [as submodifier]: it’s doggone good to be home

verb

[with object]
  • damn; darn (used to express surprise, irritation, or anger): from that moment, doggone it if I didn’t see a motivation in Joey! I’ll be doggoned if every fourth kid is affected

Origin:

early 19th century: probably from dog on it, euphemism for God damn it