A horrible bastardization of the cheesesteak sandwich. Essentialy a steak sandwich with mozzarella cheese and tomato sauce (in most cases, not pizza sauce). I can only imagine how this was created...
(Some streotypical Italian chef sitting at a dinner table with a red checkerboard table cloth) The kids, they likea da pizza, they likea da steak sandwich! I saya dat I makea dem a combination a of the two! I'm a gonna call ita da pizza steak asandwich! I'm a gonna takea dis bread and takea dis meat like so, and sticka dis cheese right here and puta the sauce on like dis! bork bork borka sniggumsa!