bacchanalia \bak-uh-NAIL-yuh\ (noun) - 1 : (plural, capitalized) The ancient Roman festival in honor of Bacchus, celebrated with dancing, song, and revelry. 2 : A riotous, boisterous, or drunken festivity; a revel.
"The bacchanalia which celebrated Neil's graduation was such to shake the pillars of heaven, or at least enough to be heard across the street, which is why the police were called."
Bacchanalia comes from Latin, from Bacchus, god of wine, from Greek Bakkhos. The adjective form is bacchanalian. One who celebrates the Bacchanalia, or indulges in drunken revels, is a bacchanal \\BAK-uh-nuhl; bak-uh-NAL\\, which is also another term for a drunken or riotous celebration.