damn

You say damn when you are angry or surprised about something.

Example: Damn! That hurts. Be careful.

If something is damn good, damn sure, etc., it is very much that way.

Example: I want to make damn sure he knows about it.

You use damn to show that you are angry.

Example: He doesn't know a damn thing about fixing cars.

You say "damn you" or "damn (something)" to show that you are angry or that you don't care.

Example: He slammed his glass down on the table." I am dying, God damn it, dying!"

You say "I'll be damned" to show that you are surprised.

Example: You mean I was right? Well, I'll be damned!