What does Brown Rain mean?

Brown Rain meaning in Urban Dictionary

whenever a sizable and sometimes solid turd is passed away, there might be a phonomemon that develops. This is when the big turd is really so solid, it refuses to allow liquid to penetrate it.After the hench shit is passed away, the afflicted is struck straight down by "brown rain". The extra water left from over the offending shit can just fallout. This might be particularly stressing if a "pink sock" happens to be created by said shit. No, it doesnt drop into the dish, 9 times from 10 it will run-down your arse cheeks, within the flooring with the slim damp shit.