An onomatopoeia for heavy, loud footsteps or stomping; the sound/way of walking that produces a thudding noise.
彼は腹を立ててドスドスと部屋を出て行った。
He stormed out of the room, stomping angrily.
夜中に誰かがドスドス歩く音で目が覚めた。
I woke up to the sound of someone stomping around in the middle of the night.
お年寄りが杖をつきながらドスドス歩く描写は失礼に聞こえることがあるので注意が必要だ。
Describing an elderly person as stomping with a cane ('dosu-dosu') can sound rude, so be careful.