Jamboree

n.	1.	A noisy or unrestrained carousal or frolic; a spree. A Calcutta-made pony cart had been standing in front of the manager's bungalow when Raja Singh started on his jamboree. - W. A. Fraser.
	2.	a large festive gathering.
	3.	an assembly of boy scouts, usually at the national or international level, including camping among the activities; - a term adopted by the Boy Scouts organization.

Noun

1.

jamboree - a gay festivity Synonyms: gala, gala affair, blowout

Mardi Gras, Saturnalia, banquet, blowout, carnival, carouse, charivari, do, fair, feast, festive occasion, field day, fiesta, frolic, gala, gala affair, gala day, gathering, get-together, great doings, high jinks, jubilee, kermis, party, picnic, revelry, revels, waygoose, wayzgoose