So, remember the dude who ghosted me? He's back...and he has an explanation, apparently.
He texted me tonight with a long apology, saying that his friend's kid dropped his phone in the toilet right after we talked on Saturday afternoon and he had just gotten a new phone today. Apparently, he didn't think to try to get in touch with me another way?? I dunno. It sounds sort of plausible... in any event, it makes more sense than the sudden disappearing act.
ETA: I should maybe mention, we have no mutual friends, are not Facebook friends and do not have each other's emails. The only other way he could have gotten in touch with me would have been through OKC. And he didn't have my number anywhere else, except in his phone.