Am I a a-hole for this?

Okay, so boom. I reach out to this super cute guy in my grade. I graduated a full year ahead of my class, so I'm going to college in the fall in a different town. I made this super clear to him, and that I was just wanting to talk/be friends. But I lowkee kinda put myself in the thought process that things could work out with him. He apparently confessed to me on a call when I fell asleep, and that honestly ticked me off when he told me over messages.
Then, not even 4 days later, he makes a joke calling me a slut and some other things, but I play it off as a joke because we're about to go on a date the following day. The date went well, but he just kept on giving me the ick. I made it very clear to him that I don't like being called terms that put me down as a woman, and he laughed it off. So I ghosted him.
He's been messaging me every fucking hour for the last 4-5 days. I haven't been on any of my social apps because I'm too much of a wimp to block him on everything, because that just means he could bother me with alt accounts if he were desperate enough. (I've been stalked by 2 guys, and would prefer not to have it happen again.)
There's more to the story, but I won't tell unless someone wants to be nosy

Am I an asshole for ghosting him like this?