King James Version (KJV)
When he is about to fill his belly, God shall cast the fury of his wrath upon him, and shall rain it upon him while he is eating.
Modern English
To fill his belly to the full, God will send his burning anger against him and rain it upon him into his body.
Hebrew
יְהִ֤י ׀ לְמַלֵּ֬א בִטְנ֗וֹ יְֽשַׁלַּח בּ֥וֹ חֲר֥וֹן אַפּ֑וֹ וְ֝יַמְטֵ֗ר עָלֵ֥ימוֹ בִּלְחֽוּמוֹ׃
yhiy ׀ lmaleʾ biṭnvo yshalaḥ bvo ḥarvon ʾapvo vyamṭer ʿaleymvo bilḥvmvo