“Lolicorn” was a teasing nickname for the Discord user antivenom, which nYx said came from a weird corn-flavoured lollipop story.1 Moments later nYx asked Kart to use a different name for him,2 and Kart settled on the joke form: “lolicorn it is”.3
Primary sources
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so i tease him by calling him lolicorn
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also @Kart call antivenom lolicon only from now on
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lolicorn it is