“You wanna pizza me?” (a pizza version of “Do you want a piece of me?”—that is, the start of an argument or a fight) is a jocular saying that has been printed on many images. “You wanna pizza me?” was posted to the newsgroup alt.humor.puns on December 17, 1998.
 
A joke extension of the saying was posted on Twitter on December 21, 2010:
 
“This man was about to throw dough, cheese and tomatoes at me. I said, ‘You wanna pizza me?’”
       
 
Google Groups: alt.humor.puns
Judge Wop near.
Quiplash
12/17/98
(...)
Quip “You wanna pizza me?!” Lash
 
Google Books
Rugrats in Paris:
The Movie
Adapted by Cathy East Dubowski and Dubowski
New York, NY: Simon Spotlight/Nickelodeon
2000
Pg. ?:
“Do you wanna pizza me, Sluggy? Wanna pizza me?” Kimi taunted as she dangled from the edge of Reptar’s mouth.
   
19 October 2002, The Guardian (UK), “The Guide: Watch This” by JNR, pg. 75:
Liza Tarbuck returns as the comely Linda, beautifully supported tonight by Peter Kay. He pops up as the Pizza Me delivery man, bent on imparting worldly wisdom and showing Linda the basic principles of feng shui (“Do you want a Pizza Me?”). That has to go down as the second best novelty business name ever. (The first is Sweet Truck Haul from Kay’s Phoenix Nights.)
   
30 August 2004, Newsday  “Kidsday,” pg. B13:
What did one pizza say to the other pizza when they wanted to fight?
“You want a pizza me?”
-Josephine Amorim, East Northport
 
28 August 2005, News of the World (London, UK), “Do you want a pizza me?” by Suzie McGuire, pg. 52:
LIBERTY X star KEVIN SIMM proved his dedication to his dinner when yobs asked for Just A Little bit of his takeaway.
 
The singer was sporting a huge black eye when I met up with the band this week.
 
New York (NY) Post
You wanna pizza me?
By Carla Spartos February 10, 2010 | 5:18am
Go to your kitchens — and come out fighting!
 
Last year, newfangled Neapolitan pie purveyor Keste thumbed its nose at New York-style pizza by boldly setting up shop across the street from John’s, which has been turning out coal-fired pies on Bleecker Street since 1929.
 
Twitter
Paul Rodger
‏@player112345
This man was about to throw dough, cheese and tomatoes at me.
I said, “You wanna pizza me?”
1:32 PM - 21 Dec 2010
 
Twitter
Mr.Donger™
‏@Dongerooooo
This man was about to throw dough, cheese and tomatoes at me.
I said, “You wanna pizza me?”
1:40 PM - 21 Dec 2010
 
6 April 2012, The Daily Mirror (London, UK), “bet of the Day” by Derek McGovern, pg. 60:
THIS bloke threw dough, cheese, and tomatoes at me. I said, “You wanna pizza me?”
 
Twitter
Sir Richie McCaw
‏@RichieHMcCaw
This man was about to throw dough, cheese and tomatoes at me.
I said, “You wanna pizza me?”
12:00 AM - 6 Nov 2014
 
Twitter
Crap Jokes
‏@TheCrapJoker
This guy just tried to throw dough, cheese, and tomatoes at me,
I said, “You wanna pizza me?”
1:30 PM - 17 Jul 2016
 
Twitter
Shit Jokes
‏@ShitJokes
This guy just tried to throw dough, cheese, and tomatoes at me,
I said, “You wanna pizza me?”
11:48 AM - 27 Nov 2016