Dionysian
adj. describing a state of mind that is irrational, sensuous, disordered, and even drunken or mad (from Dionysus, Greek god of wine, intoxication, and ritual madness or ecstasy). This modern use of the term was originated by Friedrich Nietzsche, who drew a contrast between the Dionysian and the Apollonian sides of human nature. He felt that a Dionysian attitude would counter the enervating effects of the Apollonian attitude then dominant in morality, religion, and philosophy.