look up any word, like blumpkin:
 
1.
crazy, out of control, nothing but madness. The word is exclusive to Trinidad. Usually used when there is mass confusion, when something isn't going the way it should, or when a crowd goes wild in a concert, party etc...

Aye! Allyuh shoulda seen d bachannal at de fete last nite!

Steups, is real bachannal in de government yes!
by mayaro guajiro November 05, 2006
 
2.
Confusion or madness, in a good way. Used in most of the Caribbean like Guyana, Trinidad, and Jamaica to describe parties or other events.
Get ready for some bachannal
by Veeren February 23, 2012