וַיַּךְ־צָרָ֥יו אָח֑וֹר חֶרְפַּ֥ת ע֝וֹלָ֗ם נָ֣תַן לָֽמוֹ׃
Dia memukul musuh-musuh-Nya pada bagian belakang mereka, dan menimpakan kepada mereka aib untuk selama-lamanya.
Rashi
And He smote His adversaries from the rear Plagues of the rear with hemorrhoids, which is a disgrace of perpetual ridicule for them.