jamboree
noun [ C ] uk/ˌdʒæm.bəˈriː/ us/ˌdʒæm.bəˈriː/
大型集会；喧闹的聚会，狂欢活动
a large organized event that many people go to, or a busy, noisy occasion or period
The beer festival was a huge open-air jamboree with music, stalls and everyone enjoying themselves. 啤酒节是一场大型的露天狂欢，有音乐和货摊，每个人都尽情享乐。
Compare: blowout