Here's a breakdown of why:
* Cod: This word can refer to a type of fish, but it's also used as a slang term meaning "fake" or "not genuine."
* Shangri-La: This is a fictional, idyllic paradise often used to describe a place of perfect peace and happiness.
Therefore, "Cod Shangri-La" could imply a place that appears to be a paradise but is ultimately fake or disappointing.
It's important to note: Without context, it's impossible to know the specific meaning intended by someone using this phrase. If you saw it somewhere, providing the context would help understand its meaning.