The name for an in-home office, particularly for software engineers that work from home.
"Honey, I'll be working in the fart cave for awhile."
by SLeepdepD December 12, 2008
When a pillow or blanket fort suddenly becomes a dutch oven.
Jeff and I made a blanket fort in bed--but then he made it a fart cave!!!
by buffybean November 21, 2012