become (make, wax) fat

Dictionary of Biblical Words:

in the offering expresses the energy of the will. “Jeshurun waxed fat and kicked.” “Their hearts are as fat as grease.” The Lord’s will was wholly subject to God, and was typified in the “fat of the inwards,” which was part of the food of the offering made by fire unto Jehovah (Lev. 3)

Strong’s Dictionary of Hebrew Words:

Number:
8080 (find all occurrences in KJV Bible)
Transliteration:
shaman
Phonic:
shaw-man’
Meaning:
a primitive root; to shine, i.e. (by analogy) be (causatively, make) oily or gross
KJV Usage:
become (make, wax) fat