וַיָּמִ֥ירוּ אֶת־כְּבוֹדָ֑ם בְּתַבְנִ֥ית שׁ֝֗וֹר אֹכֵ֥ל עֵֽשֶׂב׃
자기 영광을 풀 먹는 소의 형상으로 바꾸었도다
Rashi on Psalms
eating grass There is nothing as disgusting and repugnant as an ox. When it eats grass, it emits much dung, with which it sullies itself. Other books read: its saliva.