man-cave

Noun

man cave (plural man caves)

1. (humorous, informal) A part of a home specifically reserved for adult male activities, such as drinking beer, playing games and watching TV; often a garage or den.
   • Man caves are better known on the mainland, where space isn't a problem.2007 November 18, Charles Memminger, “Cave Men: There are sports and beer but no women in these sanctuaries”, in Honolulu Star-Bulletin, archived from the original on 13 May 2008

   Synonyms:

   mantuary

2. (humorous, informal, sometimes) The vulva or vagina of a trans man.