muddy sea
Refers to a sea or large body of water that is thick with mud, often after a storm or in a turbid coastal area. Can also be used metaphorically for a chaotic or difficult situation.
After the typhoon, the coast looked like a muddy sea.
The political world is now in a state of chaos like a muddy sea.
Compound of 泥 (mud) and 海 (sea). The reading どろうみ is a straightforward combination of the kun'yomi readings of the two kanji.