(slang) A gathering featuring and/or appealing primarily to men.
2009, Gemma Freeman, "[https://web.archive.org/web/20141224014745/http://issuu.com/huckmagazine/docs/huck14 Just A Girl?]", Huck, Issue 14, April/May 2009, page 53:
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.