look up any word, like pussy:

1 definition by Zzlorp

 
1.
Turdidity is the cloudiness or haziness of a fluid caused by individual particles (suspended solids) of raw sewage.

The measurement of turdidity is a key test of water quality.
"Turdidity levels in Burke Canyon have fallen drastically with the closure of the brown trout fisheries"
by Zzlorp August 18, 2008