buu-buu
The snorting and grunting of a pig. A playful sound used in children's stories and farm contexts, sometimes also used to describe complaining or grumbling.
💡Reading a picture book to a toddler — 'And the pig says buu-buu!'
ぶたがぶうぶう鳴いている。
The pig is oinking buu-buu.
The pigs in the pen were happily going ___ at feeding time.
えさの時間になると、豚小屋のぶたが○○と鳴いていた。