Jamboree /(?)/

Jam·bo·ree

Jamboree

n.
  1. A noisy or unrestrained carousal or frolic; a spree. [Slang]
    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.