Is it normal to feel bad about being bullied, even though you 'asked' for it?

/!\ This post touches upon some NSFW topics and mentions incest. HOWEVER, this is NOT a post glorifying incest AT ALL, nor are any of the actions mentioned related to that. PLEASE keep that in mind before falsely reporting this post. /!\

I'd like to preface the following by saying that all this is for a big part my own fault and I shouldn't come whining to an anonymous forum for it. Though I feel like we have all done something very stupid in the past, so I want to know how this compares.

So, I realise that posting on this site still doesn't make me completely anonymous. Since some of the people in question could use this site as well and also because of the fact that I'm writing this from an indentifiable account. But oh well.

About a month or two ago, I joined an IRC server known for a small group of people who grief and troll other people in online video games and upload their footage to YouTube.
I'm not going to say which server it is nor which games they grief on, since that could easily reveal my identity.

Shortly after I joined, I was sitting in a voice chat with them (on a separate platform) and they asked me to tell them a story since they were bored. And it's that story that has landed me to where I am now.

I won't go into the many details since it is NSFW, but the main thing you need to take out of this is that the story is very embarrassing and is about an action I did when I was 16-17: I was masturbating while being in the same room as a sleeping family member.

/!\ And to make it, once again, ABSOLUTELY CLEAR: I was NOT thinking about them while I was doing this. This is NOT a post glorifying incest, so please do not label it as such. /!\

Fast forward to now, and this story has become the go-to insult towards me and has there given me the reputation of a creep, sexual assaulter, etc.
I feel like these claims are heavily excaggerated for the purpose of making fun of me, but then again this could just be me defending myself unjustly.

My problem is that I messed up.
I was not anonymous on that server when I told that story and I am still not anonymous there. In fact, I have used this same username for almost all of my online accounts, and now I'm scared and don't know what to do.

I am a 20 year old guy, about to graduate from high school after multiple repeats. I am not the no-life they make me out to be. Yet I'm terrified.

If you've got any advice for me, please tell me.