stag party
noun [ C ] uk/ˈstæɡ ˌpɑː.ti/ us/ˈstæɡ ˌpɑːr.t̬i/
（只邀请男性朋友参加的）男子婚前聚会，单身告别聚会（同 stag night/party）
a stag night/party
参加男子单身告别聚会的人
a group of men at a party for a man who is going to get married
Prague has become a haven for British stag parties. 布拉格已经成为英国男人开单身告别聚会的天堂。