a long-standing good friend, one whom the speaker has shared many good times with; a buddy, a pal, a chum; what you say when an old buddy of yours walks into the room
A dark depressing gamer room, filled with cum stains old use crusty shirts/socks, and a piss stained bed. CoveCaves are the “Coomers” domain, you rarely see any sign of women activity in them.
Bro come and look at my new CoomCave, I got a new desktop Monitor for my $15000 computer