呑舟の魚
Meanings
1
fish large enough to swallow a boat; colossal fish
Literal meaning of the Chinese-derived idiom; refers to an unimaginably huge fish. Used in classical or literary contexts.
The phrase 'don-shū no uo' refers to a fish so huge it could swallow a whole boat.
2
great man; notorious man
Figurative use: a person of extraordinary scale or influence, often with a negative or notorious connotation. Rare and idiomatic.
He is a giant in the political world, one might say a 'don-shū no uo'.