doggone

a.
  1. Damned; confounded; -- used as an expression of displeasure; as, I wish those doggone telemarketers would quit calling at suppertime.

adv.
  1. Damned; darned; -- used as an informal intensifier; as, he's a doggoned good golfer.

v. t.
  1. Damn; -- used to express displeasure or annoyance; as, doggone it!.