Down With Tyranny 13-09-03 Original post Cached copy Steve Israel Is Serving Up Some Very Unappetizing Mystery Meat Down With Tyranny - 2013-09-03 - Original post - Cached copy Wikipedia defines "mystery meat" as "a disparaging term for meat products, typically ground or otherwise processed, such as chicken nuggets, Spam, Salisbury steaks, sausages, or hot dogs, that have an unidentifiable source.