King James Version (KJV)
And the haft also went in after the blade; and the fat closed upon the blade, so that he could not draw the dagger out of his belly; and the dirt came out. {the dirt...: or, it came out at the buttocks}
Modern English
and the handle also went in after the blade; and the fat closed on the blade, for he didn’t draw the sword out of his body; and it came out behind.
Hebrew
וַיָּבֹ֨א גַֽם־הַנִּצָּ֜ב אַחַ֣ר הַלַּ֗הַב וַיִּסְגֹּ֤ר הַחֵ֙לֶב֙ בְּעַ֣ד הַלַּ֔הַב כִּ֣י לֹ֥א שָׁלַ֛ף הַחֶ֖רֶב מִבִּטְנ֑וֹ וַיֵּצֵ֖א הֽ͏ַפַּרְשְׁדֹֽנָה׃
vayaboʾ gam-haniṣab ʾaḥar halahab vayisgor haḥeleb bʿad halahab kiy loʾ shalaf haḥereb mibiṭnvo vayeṣeʾ h͏aparshdonah