Pizza on the internet can have a few different meanings and can be sexual in a good way or bad way.
Pizza on the internet can also mean that the person is saying I love you.
The pizza emoji is also the 4th most popular emoji used on tinder and is sometimes used to initiate a morning chat after a night out together, which may or may not have included a hookup.
And for the bad meaning of pizza on the internet, some pedophiles also use the pizza emoji as a secret code for child porn.
Cheese pizza is a common alias on the internet for pedophiles to discuss child porn.