buku-tto
Something suddenly swelling or puffing up — a mosquito bite, an allergic reaction, or cheeks puffing out in anger.
💡Getting a mosquito bite — 'The bite spot went buku-tto and started itching.'
蚊に刺されたところがぶくっと腫れた。
The mosquito bite swelled up buku-tto.
After the bee sting, my hand ___ swelled up immediately.
ハチに刺されて手が○○と腫れた。