Verses with the word fatted in the Old Testament (2 verses):

1 Kings 4:23
Ten fat oxen, and twenty oxen out of the pastures, and an hundred sheep, beside harts, and roebucks, and fallowdeer, and fatted fowl.

Jeremiah 46:21
Also her hired men are in the midst of her like fatted bullocks; for they also are turned back, and are fled away together: they did not stand, because the day of their calamity was come upon them, and the time of their visitation.