1
general::
A prearranged conspiracy, especially a crime such as a burglary. For example, The police suspected that the butler was in on it? it was a put-up job. This colloquial phrase was first recorded in 1810.
American Heritage Idioms
2
general::
Phrase(s): a put-up job
Inf. a deception; a deceptive event. • That’s really phony; a put-up job if I ever saw one. • No put-up job is clever enough to fool me.
McGrawhill's American Idioms And Phrasal Verbs