Pineapple goes on pizza

[MrFinnConlon]

The definition of Pizza.
ˈpiːtsə,ˈpɪtsə/
noun
noun: pizza; plural noun: pizzas

1. a dish of Italian origin, consisting of a flat round base of dough baked with a topping of tomatoes and cheese, typically with added meat, fish, or vegetables.
   "a cheese and tomato pizza"
   
   

Now, where the hell does it say "pineapples" or "fruit"

The only fruit on it is to be tomatoes and that is specified!

Pineapple pizza preferers are doing it all wrong.

It is a first for me, who chooses what to eat based on what the dictionary says. 

I do like a piña.