Wiktionary
vb. (context simile humorous English) (non-gloss definition: Comically describes the taste of unique food, deriving humour from the idea that many exotic meats, from squab to rattlesnake, can taste like ordinary chicken.)
Wikipedia
Usage examples of "taste like chicken".
The one Cezer handily devoured without assistance did indeed taste like chicken.
Everyone agreed that it did, indeed, taste like chicken, only it was a hell of a lot tougher.
The three saurs at Matt's right are silent, torpid from their hearty eating -- each has a plate in front of him or her piled with the bones of the main dish, small pterosaurs that taste like chicken -- and whacked out of their heads by a recently shared pipe of hemp.
Ciler chewed a gruel that was supposed to taste like chicken and rice.
Tyler's colored chef, who could make pork-chops taste like chicken, and chicken taste like heaven.