noun
Commonly used as a sushi ingredient; the tiny orange eggs are known for their crunchy texture.
See also: 飛魚
寿司屋でとびこ軍艦を注文した。
I ordered a gunkan-maki with flying fish roe at the sushi restaurant.
noun
traveling male homosexual prostitute
Archaic term; historical usage referring to a male prostitute who traveled.
江戸時代の文献に「飛び子」という言葉が男娼を指して使われている。
In Edo-period documents, the word 飛び子 is used to refer to a male prostitute.
飛魚 is the flying fish itself, while とびこ is its roe.
From 飛び (tobi, 'flying') + 子 (ko, 'child/egg'), referring to the eggs of the flying fish. The archaic sense is unrelated and its origin is uncertain.