new off the irons
obsolete Newly created or crafted; having never been used or experienced before. She insists that the tune is new off the irons, but I could swear I heard it during my time in France last summer.
new off the irons
newly made or prepared; brand new. dated The irons here are engraved stamps used for impressing a design or figure on something, as in coining money, striking a medal, or embossing paper. This sense is now obsolete and survives only in this phrase.