Goddamn (adjective)

1. Used to express anger or frustration.
2. Used as a mild oath or to express emphasis.
3. Considered as vulgar or offensive.

Origin:

Early 20th century: alteration of god-damned.

Examples:

1. He slammed his fist on the table and shouted "Goddamn it!".
2. She was so angry she couldn"t help but say "goddamn" under her breath.
3. That was a goddamn good performance.
4. I can't believe you did that, you goddamn idiot.
5. You are a goddamn liar.