tv. to have succeeded; to be set for life. (Have got can replace have.) : I have a good job and a nice little family. I have it made.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
Be sure of success; also, have achieved success. For example, Since he knows all the important people, John has it made, or Karen was accepted every place she appliedshe has it made. [Colloquial; mid-1900s]