Translation of "Thud" in Japanese

I love it! -[thud] -[Bear] Whoo!

いいね

I put the shopping bag on the table with a thud.

買い物袋をどすんとテーブルの上に置いた。

The demon lord finally lost conciousness and fell to the floor with a thud.

魔王はついに気を失ってどうと倒れた。

The snow that had piled up on the roof at night came down with a thud.

夜の間に屋根に積もった雪がガサッと落ちてきた。