Read Deuteronomy 32:15 Using Other Translations
But Jeshurun waxed fat, and kicked: thou art waxen fat, thou art grown thick, thou art covered with fatness; then he forsook God which made him, and lightly esteemed the Rock of his salvation.
"But Jeshurun grew fat, and kicked; you grew fat, stout, and sleek; then he forsook God who made him and scoffed at the Rock of his salvation.
“But Israel soon became fat and unruly; the people grew heavy, plump, and stuffed! Then they abandoned the God who had made them; they made light of the Rock of their salvation.