taking pride in something mundane, thinking it is exceptional; Liaodong boar (literal)
A rare literary set phrase from a Chinese anecdote about a man who thought his ordinary white boar was extraordinary, only to find it was common in Liaodong. Used to mock someone who boasts about something unremarkable.
The proverb 'Liaodong boar' warns against the foolishness of boasting about something ordinary.
From a story in the Chinese 『後漢書』: a man from Liaodong prized a white-headed pig as exceptional, but on reaching Hedong found such pigs commonplace.