How do you say “not my problem”? A listener shares his go-to: Not my pig, not my farm. It means the same thing as “I don’t have a horse in that race,” or “I don’t have a dog in that fight.” Douglas Adams, in The Hitchhiker’s Guide to the Galaxy, created the SEP Field, or the Somebody Else’s Problem field. Though examples are boundless, there doesn’t seem to be a standard or definite origin. This is part of a complete episode.