1. PLAIN OR CHEESE?
Plain meaning without toppings is New York-area vernacular while outside New York such a pizza would be referred to as cheese.
2. PIECE OR SLICE?
Speaking of slices, in New York you can say, “I’m getting a slice,” and people will know what you’re talking about. However, elsewhere “piece of pizza” is preferred, and if you say “slice,” you’ll need to qualify it with “of pizza.”
说到是一片片的披萨(slices)，在纽约你可以说I’m getting a slice(我要片披萨)，大家就知道你什么意思了。但在其它地方，你要说piece of pizza(一片披萨)，你要是说slice(一片)的话，就要说清楚是“披萨”。
3. PIE OR PIZZA?
While to east coasters, it might feel perfectly natural to say “pie” when referring to a whole pizza, not so for those in other regions. “Pie” was described by west coasters as “pretentious” and “only something someone in a movie would say”.
4. PIZZA PARLOR, PIZZA SHOP, OR PIZZERIA?
Pizza place was the most popular, followed by pizza parlor and, a close third, pizzeria.
pizza place(披萨店儿)的说法最普遍，接着是pizza parlor(披萨馆)，紧随其后的是pizzeria(披萨餐馆)。
5. TIP SAG
Tip sag refers to when the tip of one’s pizza slice droops down.
Chicago does have its own thin-crust pizza — described as crisp and crunchy like a cracker — which, some say, is even more popular than deep dish or stuffed.
7. PARTY-CUT OR PIE-CUT?
Party-cut means cutting in a grid, while pie-cut means cutting in triangles or wedges.
Perhaps less well-known, although no less delicious, is New Haven-style pizza, known in local vernacularas apizza.
9. OLD FORGE PIZZA
The most popular varieties of the Old Forge are the red, a traditional tomato sauce and cheese; the white, hold the sauce; and the black, which has cheese, black pepper, black olives, and anchovies.
10. ALL-DRESSED PIZZA
All-dressed is Montreal slang for “everything” on it. The all-dressed pizza comes with mushrooms, green peppers, and pepperoni, not literally “everything” but still a lot.