Nayloring

From DRAMAWIKI

To commit incest or to be overly focused on an incest fetish. Primarily involves lust for a sibling, but may include mothers, aunts, and great-grandfathers. Nayloring is distinct from incest in that it tends to get kinkier and that those committing it are generally in denial about what deviant creatures they are, typically imagining a twenty-story moral high horse for themselves.