あとあしですなをかける

後足で砂をかける

表記・読み：後足で砂を掛ける・あとあしですなをかける

1. 1

   to do something spiteful as one leaves; to take a parting shot at; to kick sand (at someone) with one's hind legs

   expressions (phrases, clauses, etc.)一段動詞idiomatic expression