Pizza: an Italian dish of round flattened dough topped with various ingredients and baked (also spelled 'pizzа').
今夜は宅配ピザを頼んで映画を観よう。
Let's order delivery pizza tonight and watch a movie.
この店のマルゲリータピザは生地が薄くておいしい。
The Margherita pizza at this place has thin crust and is delicious.
ピザはシェアしやすいのでパーティーによく出るメニューだ。
Pizza is easy to share, so it's often on party menus.
Derogatory internet slang: a pejorative term used online to call someone fat or ugly. This usage is offensive and should be avoided.
その掲示板では人を『ピザ』と呼ぶような悪口が問題になった。
On that message board, insults calling people 'pizza' became a problem.
スラングとしての『ピザ』は差別的なので使わない方がいい。
The slang use of 'pizza' is discriminatory, so it's better not to use it.