1) a revel, carousal

a) a nocturnal and riotous procession of half drunken and frolicsome fellows who after supper parade through the streets with torches and music in honour of Bacchus or some other deity, and sing and play before houses of male and female friends; hence used generally of feasts and drinking parties that are protracted till late at night and indulge in revelry

[View this word in Trench's Synonyms here.]