Definition: To be kind or generous
Example: Despite the fact that Bella frowns her way through life, she actually has a heart of gold.
Having a heart of gold has been with us for quite some time. It appears in William Shakespeare’s play Henry V, written about 1599. The simple explanation is that gold was, and still is, thought of as both pure and precious. These are characteristics you can apply to somebody’s personality, and thus, their heart.
Iddy doesn’t have a gold one himself. I don’t know who he stole that one from. His own is probably made of the blackest carbon. Don’t let that smile fool you!