男やもめに蛆がわく
1
widowers are untidy;a man alone soon goes to seed;a man goes to pieces without a woman to look after him
Other forms
男やもめにうじがわく 【おとこやもめにうじがわく】 · 男鰥に蛆が湧く 【おとこやもめにうじがわく】