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A bachelor party (United States), known as a stag party, stag night or stag do (especially in Great Britain, Ireland and Canada) a bull's party (South Africa), or a buck's party or buck's night (Australia), is a party held for a man shortly before he enters marriage, to celebrate his "last night of freedom" or merely to spend time with his male friends, who are often at his wedding party afterwards. A bachelor party is usually planned by the best man or other friends of the groom, occasionally, with the assistance of a bachelor party planning company.
Variations
The equivalent event...