gyaoo
A ferocious, ear-splitting roar of a large predator — a tiger, dinosaur, or dragon. More aggressive and menacing than gaoo, suggesting genuine danger rather than playful pretend.
💡Watching a dinosaur movie — 'The T-rex roared gyaoo and the whole theater shook.'
恐竜がぎゃおーとほえた。
The dinosaur roared gyaoo.
The tiger at the zoo suddenly roared ___, scaring all the visitors.
動物園のトラが突然○○とほえて、来場者が驚いた。