noun
kimizushi; egg yolk sushi
A type of sushi where a seasoned egg yolk replaces the usual rice, often shaped like nigiri. A specialty dish, not everyday sushi.
See also: 黄身 (きみ)
黄身寿司は、酢飯の代わりに味付けした卵黄を使った変わり寿司です。
Kimizushi is a novelty sushi that uses seasoned egg yolk instead of vinegared rice.
Compound of 黄身 (egg yolk) and 寿司 (sushi). The exact origin is uncertain, but it likely emerged as a creative variation in sushi cuisine.