My (21f) boyfriend (23m) of 3 years dumped me on Friday. I've cried my eyes out but haven't contacted him. He's all over social media calling me "crazy stalker ex." How do I deal with this?

I was dumped on Friday. To me it seemed completely out of the blue but to him I guess he'd been considering it for a really long time. It is quite literally heart breaking because even as late as Wednesday of last week we were talking about what we're going to do after I graduate this summer...meaning I was planning on spending my life with him.
I felt like I handled as maturely as I could (I mean I threw up in the bathroom at Starbucks, had to get an uber because I literally couldn't see, clutched my childhood blanket so hard it hurt my hands...so yeah beyond all that...all good!). I didn't beg him to stay, I asked why just one time and accepted his answer and then asked that he leave me alone. He kept wanting to explain and explain and explain everything but finally I asked him to please leave and he finally did.
I spent the weekend literally locked in my room doing nothing, which is a huge bummer because my best friend had her graduation party this weekend (she's so great, she actually offered to cancel her party to come over and hang out with me, I insisted she didn't but she was sad I didn't come over but I just couldn't). I didn't call my ex, I didn't text him, I removed him from my friends on Facebook. Don't get me wrong, I wanted to, but I resisted every single urge I had to call and beg to talk to him just one more time.
I woke up this morning to screen shots from my friends of Rick on both Instagram and facebook talking about "having to dodge my psycho ex all weekend on my first weekend of freedom." And while he didn't tag me, he said "you know who you are!! we're broken up. Stop calling me!" Obviously, after three years everyone knows who he's talking about.
The reactions from our friends have been mixed, even before I saw the screenshots, Ricks friends were texting me "you gotta leave him alone, time will heal this." I thought they were just being supportive so I said things like "yeah I know" but I guess now I know that Rick was telling them that I was basically stalking him.
I have no idea how to deal with this, it seems that anything I do to him directly will play into his narrative of "stalking" or not "contacting" him. But if I say nothing, then he basically gets to control the story.
Seriously, what can or should I do in this specific situation? How do I stop him? Or even can I? This is really bumming me out to say the least and definitely making the breakup so much harder than it needs to be.
tl;dr: my boyfriend dumped me on Friday. I haven't said a single word, text, social media message, or phone call to him since I saw him at Starbucks. But he's on social media telling everyone I'm the "psycho ex" and that I'm blowing up his texts and calling him non-stop. What can I do about this?


Source.

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