Viva Pizza!

Viva Pizza!Even though he doesn't go around singing O Sole Mio all day long, a Neapolitan is usually an amiable person. His capacity for enduring irritation is high, but when he finally reaches the point of rage, he is liable to clench his fists and shout Ti faccio la testa come una pizza! (I'll flatten your head like a pizza!) Now the question this raises is: which particular pizza does the angry Neapolitan have in mind? It certainly isn't the great tender pizza rustica with its top and bottom...