why is chop liver a phrase
An alternative explanation for the etymology of the What am I, chopped liver? expression is that chopped liver was traditionally served as a side dish rather than a main course. The phrase, therefore may have originally meant to express a feeling of being overlooked, as a side dish..ccording to the Phrase Finder, chopped liver is always served as a side dish, never as a main dish. It therefore makes a good metaphor for someone who's being treated as unimportant or dispensable.