a prerequisite for joining the LAPD. When applying for the Los Angeles Police Department, one must be willing to swap wives with the other police officers. (allowing another man to have sexual intercourse with your wife, in exchange for his wife).
This is an underground, but popular characteristic within the force.
Officer O' Connor: Who do I get for this weeks wife swapping?
Captain: Shut up rookie. You'll get your turn when we're all done with your wife.