כִּֽי־כִסָּ֣ה פָנָ֣יו בְּחֶלְבּ֑וֹ וַיַּ֖עַשׂ פִּימָ֣ה עֲלֵי־כָֽסֶל׃
װײַל ער האָט באַדעקט זײַן פּנים מיט זײַן פֿעטס, און אָנגעלײגט פּלאָסטן אױפֿן לענד;
Rashi
collops of fat on his loins He made a mouth on his loins, for his fat and the thickness of his blubber is folded on his loins, and they look like a sort of mouth.