'Thicker' in the Bible

Then the youngsters who had grown up with him spoke to him, saying, "Thus you shall say to this people who spoke to you: 'Your father made our yoke heavy, but you lighten [it] for us,' you shall say to them, 'My little finger is thicker than my father's loins.

Then the young men who had grown up with him said to him, "Thus you should say to this people who have said to you, 'Your father made our yoke heavy, so you yourself should lighten [it] for us.' Thus you should say to them, 'My little finger [is] thicker than the loins of my father.