Noun
man cave (plural man caves)
(informal, humorous) 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-cave
I'm so not macho. It's crazy. My man cave is so not a man cave. Dave Grohl
I got a man cave. I play my music loud. I bought big speakers because I need to hear music loud. Marlon Wayans
Man cave concept for your library. Source: Internet