Bacchanal

Read as \bah-KUH-nahl\ and means orgy; a wild gathering involving excessive drinking and promiscuity
..................a drunken reveler; a devotee of Bacchus

Bacchus was the Roman god of agriculture and wine, similar to Dionysus. He was the child of Zeus and Semele.

To get involved in a bacchanal should not be encouraged for there is always a proper way to do things at the right place.

dictionary.com page link for bacchanal