Adoption of judgment

What does Adoption of judgment mean in American Law?

The definition of Adoption of judgment in the law of the United States, as defined by the lexicographer Arthur Leff in his legal dictionary is:

Some self-serving uses of a judgment will terminate the user’s right thereafter to appeal or otherwise attack it, e.g., using it to seek some legal redress against a third party, or using its terms defensively against the original other party.