means the same?

No, something that is offensive causes you to feel offended.

I feel offensive. is it wrong?

It wouldn't be a normal thing to say. If someone said something rude you might feel offended. You might think what they said was offensive.

Anonymous I feel offensive. is it wrong?

Yes. It's wrong. You can say I feel that I have been offensive if you have behaved badly and you think that you have offended someone.

CJ

x-post

so, I could say, 'he is so offensive.'?

Anonymousso, I could say, 'he is so offensive.'?

Yes.

You can say "He is so offensive".
You can say "He is so offended".

Just be sure you say the right one in the right situation.

CJ