The man room or “man cave” can be defined as any place a man sets aside to pursue his interests, whether with friends, family, or by himself. It can be an office, a study, the basement, or a shed out back. For the purposes of this post, the man room is not a shop or workspace, but rather a place for a man to relax and enjoy himself.
To best fix it up, follow the advice of men who have gone before you and follow the three rules: quality, comfortable, and personal. The Art of Manliness has tips on all these plus pictures of the manly rooms of manly men. Pictured here is Mark Twain's billiard room. Link -via Nag on the Lake