What is cold chicken?

* Literally, chicken that has been cooked and then cooled to room temperature or below. This is often served as part of a cold dish, like a chicken salad sandwich or a chicken platter.

* Slang for something that is boring or uninspiring. This is a more informal use of the phrase, often used humorously. For example, someone might say "That movie was cold chicken" to indicate they found it dull.

The specific meaning of "cold chicken" will depend on the context in which it is used.