A noun referring to an individual who is well-versed in Anime lingo (specifically of the Boy's Love genre) while acting in high standards. This individual typically resides in northern countries, mostly in Canada.
Person A: Hey did you hear that we have a new transfer today? Chick's from Canada, man.
Person B: Really? Well I hope she's not a lytis.
Person A: Are you kidding? That's the kind of cultured shit this classroom needs.