וַתֹּ֤אמֶר לוֹ֙ אִשְׁתּ֔וֹ עֹדְךָ֖ מַחֲזִ֣יק בְּתֻמָּתֶ֑ךָ בָּרֵ֥ךְ אֱלֹהִ֖ים וָמֻֽת׃
האָט זײַן װײַב צו אים געזאָגט: האַלטסט זיך נאָך אַלץ בײַ דײַן פֿרומקײט? לעסטער גאָט, און שטאַרב.
Malbim
After losing all his possessions and children, Job had still blessed God. But he now just remains silent. This time, he could not bring himself to do so. His wife taunts him: Are you still resolved to be perfect? Bless God once more again and you'll be dead!
Rashi
and die Heb. ומת. This is an imperative expression, as (Deut. 32: 50), “And die on the mountain.”