I think people are primed to that joke; I personally hear that "What they pass off as chicken" alludes to "mystery meat" - a derogatory term for meat that doesn

I think people are primed to that joke; I personally hear that "What they pass off as chicken" alludes to "mystery meat" - a derogatory term for meat that doesn's have a clear origin. https://en.wikipedia.org/wiki/Mystery_meat https://en.wikipedia.org/wiki/Mystery_meat