dosha-dosha
Extremely heavy, pounding rain — from the compound 'doshaburi' (どしゃ降り, downpour). Emphasizes the overwhelming force and volume of torrential rain.
💡A tropical downpour — 'The rain is coming down dosha-dosha; don't go outside!'
雨がどしゃどしゃ降って、道が川のようになった。
It rained dosha-dosha and the roads turned into rivers.
The rain was ___ so hard that the streets flooded.
雨が○○降って、道路が冠水した。