Badda Boom Badda Bing

Why must there always be that one guy who, when you go to an Italian restaurant and it's his turn to order, suddenly develops a quasi-Italian accent, and fooling nobody but himself, attempts to order his entree as if he was born and raised in the hills of Tuscany?  You don't sound Italian, you sound like an idiot.  And why only at Italian restaurants?  If you really want to sound like a tool, let's go to PF Chang's.