ירמיהו מט:ג פירוש: רש״י

for Ai has been spoiled Ai, that is near it, [has been spoiled,] and it is of the land of Ammon.

O villages of Rabbah Rabbah of the children of Ammon.

and mobilize in companies Heb. והתשוטטנה בגדרות. Jonathan renders: ואתהמכוּן בסיעָן, mobilize in companies. He interprets והתשוטטנה as an expression of armies that run to and fro (משוטטים) ; and גדרות is an expression of sheepcotes full of flocks, and can be interpreted as “and roll in the dung of the sheepcotes,” an expression of contempt. [Onkelos translates:] “And Esau despised” (Gen. 25:34), ושט עשו.