Slytherinish adjective1 •Of, related to, or exhibiting traits associated with Slytherin house from the Harry Potter series.He was Slytherinish in his early life (which he sort of returns to in Mort, but look at his dedication to Death in Hogfather. People do change (a weakness in the whole sorting system). — 2004 formsmore Slytherinish · most Slytherinish
