An on-again, off-again project that leaves everyone wanting some kind of end regardless of the outcome.
(noun) "What's up with John and Jane's relationship? I hope they don't become another brown block."
(verb) "We should be getting a decision from the boss later today. I really hope he doesn't brown block our funding."
(adjective) "I'm not feeling good and it's making me all brown block about the party tonight."