literally: to be fat; hence: = state in which humans or animals look healthy and strong as a result of an abundance of food; it is important to note that fatness is usually regarded as a good quality in the OT, even though the causes and consequences are not necessarily considered positive; sometimes, however, fatness is associated with dullness and unresponsiveness
to be well-fed
Foolish
literally: to cause (someone else's) heart to be fat; hence: = causative action by which humans cause the mind of other humans to be dull and unresponsive
to make (someone's) heart fat > to make (someone's) mind dull and unresponsive