Doggone (adjective)

(informal) expressing annoyance or frustration.

Origin:

Originated in the mid-19th century, as a euphemism for 'god damn'.

Examples:

1. That doggone car won't start!
2. I can't find my doggone keys anywhere.
3. He's been working on that doggone project for weeks.
4. I'm sick of this doggone weather!
5. Those doggone kids won't stop making noise.