buru-buru
Your whole body shakes uncontrollably from cold or fear. The buzzing 'b' sound mimics the vibration of shivering.
💡Waiting for the bus in winter — 'I was buru-buru at the bus stop without my coat.'
寒くて体がぶるぶる震えている。
I'm so cold my body is shivering buru-buru.
I forgot my jacket and was ___ in the freezing wind.
上着を忘れて、冷たい風で○○震えた。