1) Is using profanity simply as an exclamation a sin too, even if we don’t mean it?

2) Is it haraam to listen to profanity? What if it’s not causing moral corruption, would it still be haraam?

1) It goes against Islamic morals. Would you use it in front of a respected person? Most likely the answer is no. God wants you to be at your best behavior at all times.

2) One should abstain from profanity.