This was a phrase coined by Renee, John Paul, and Travis the hosts of the Pod Mortem podcast. I believe I first heard them use it in the cast on the John Carpenter flick 'Christine'.
The meaning is synonymous with phrases like, "Its all good", "Its Saul Goodman".
"What did the test results say?", "All is pizza"
All is pizza with the battery calibration.
The act of taking one's hand and sliding it back and forth, in a slicing motion, on a woman's vagina whilst she is under Menstruation.
You down to try the Pizza Cutter?
The act of team killing your squad mates with a helicopter or a small group of tangos you just spotted in Ghost Recon Wildlands.
"i just spotted a small group of tang-"
"I CALL THIS ONE THE PIZZA CUTTER!!!!!"
This is refering to the male's penis as it penetrates the woman's vagina, "cutting it open."
Last night with Emily my pizza cutter was cuttin' her pie!
The best pizza topping in the whole world. So great you won't set people on fire
I wanted to get someone today, but instead I grabbed myself a pineapple pizza
The reason I don't set drivers on fire
Pineapple pizza makes me happy. So that I don't do bad things
It's pizza.
But with pieces of pineapple on it.
It tastes...eh.
Person A: I got pizza!
Person B: Is it pineapple pizza?
Person A: 'course it is