Villainous : adj. (word coming from scoundrel, Latin crapulence : " drunkenness ").
Aged meaning: Who likes, who lives in the scoundrel (debauched, vicious).
Modern meaning: Villainous siesta, devoted to erotic frolics.
Common sense: A heinous crime, having the interest, the money for motive.
Literary: Which is relative to the scoundrel.
Adverb: villainously.