"But Andy," I can hear you say, "that could be a generic hugs-and-kisses 'XOXO,' not necessarily a reference to your festival!" But no, the word list is @boogah's Hipster Ipsum artisanal filler text generator, and he added XOXO, along with references to MLKSHK, Tilde.club, and other niche communities. But how it got into macOS/iOS is anyone's guess. https://hipsum.co