- a social gathering or outing for men only.
- a party given a bachelor by his male friends before his marriage, often on the night before the wedding, ranging from a formal gathering to a night of carousing.
- a gathering for men only, especially one for the purpose of watching sexually titillating movies or exhibitions.
Origin of stag party
Idioms and Phrases with stag party
A social gathering for men exclusively, often involving entertainment considered unsuitable for women. For example, They wanted to give him a stag party before the wedding but John wasn't interested. This idiom uses stag in the sense of “a man unaccompanied by a woman.” [c. 1850]