Questions about example sentences with, and the definition and usage of "Salacious"

A: Salacious is not a common word at all. It would most often be used in criminal cases or by the media when covering a news report on salacious activity.

A: × “No, you salacious traitor! I dare say none of your conspiracies were disclosed because of time lag，hum？”
✓ “No, you lecher! I dare say that none of your conspiracies were disclosed because of the time lag, right？”

× “How did you know all these…?”
✓ “How do you know all this…?”

× “How？haha you are not only vile but dumb. Who Am I? My mother was the greatest witch in the world. And all her prophecy were bequeathed to me.”
✓ “How？Haha! You are not only vile but foolish as well. Who am I? My mother was once the greatest witch in the world. And all her prophecies were bequeathed to me.”

I have corrected it as much as I could. I don't know the complete context, so I may be wrong.

A: No, 'salacious' refers to lewd or pornographic material. I've never heard it used to refer to cursing.

A: Salacious?