Exactly equal; also, with nothing due or owed on either side. For example, I've paid it all back, so now we're even-steven. This rhyming phrase is used as an intensive for even. [Mid-1800s]
even-Steven
1. mod. evenly divided. He made the two piles of diamonds even-Steven and then let me choose which one I wanted.
2. mod. even; balanced. Now that we’ve given each other black eyes, are we even-Steven?