Pineapple on Pizza Debate — Tweet screenshot urging retweets to flood pineapple pizza haters' timelines

Pineapple on Pizza Debate

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Published September 22, 2026

The Pineapple on Pizza Debate is a long-running online argument over whether pineapple belongs on Hawaiian pizza, a topping combination invented in 1962 that became one of the internet's most reliable food fights1. What started in early forum threads turned into a full-blown viral war by 2017, when a single tweet racked up over 120,000 retweets and reignited the whole fight2.

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Overview

The Pineapple on Pizza Debate is the internet's version of a religious war fought entirely over a fruit and some melted cheese. The two camps are simple: people who love the sweet-savory hit of Hawaiian pizza and people who treat it like a personal insult2. The format usually plays out as image macros, ranty tweets, and reply-guy pile-ons, with pro-pineapple posters daring haters to fight and anti-pineapple posters reacting with disgust GIFs and ASCII art declarations that 'in this house we don't eat Pineapple Pizza'2.

A lot of the humor is performative. Even the most viral pineapple defender, @OriginalSDM, later admitted pineapple isn't even his favorite topping and that he mostly wanted to ruffle feathers2. That self-aware ragebait energy is what keeps the debate cycling back every year, since posting about it is a near-guaranteed way to farm engagement without saying anything actually controversial. Food writers occasionally weigh in with a straight face too, like Thrillist's professional pizzaiolos who ranked pineapple the worst possible topping because of its 'inherent wateriness'1.

Origin & Background

Platform
Neogaf forums / Twitter (viral spread)
Date
2009

Hawaiian pizza itself was invented in 1962 by Sam Panopoulos at the Satellite Restaurant in Chatham, Ontario, and the pineapple hate followed almost as soon as the topping went mainstream3. The first documented internet thread specifically arguing about it was posted to the Neogaf forums on January 17, 2009 by user TheGrayGhost, which Know Your Meme flags as the earliest known example of the debate as an online genre3.

The meme format itself has no single creator. Later that same year, on December 19, 2009, a Facebook page titled 'Pineapple does NOT belong on PIZZA!' launched and pulled in more than 1,600 likes, and by 2011 the first pineapple-pizza image macros were showing up in the Advice Animals template3.

How It Spread

The debate simmered through the early 2010s in forum posts and Advice Animals macros, then broke into mainstream coverage on February 4, 2014, when Thrillist published a pizzaiolo-ranked list that unanimously put pineapple in last place1. Pixar's 2015 film Inside Out gave the joke a Hollywood boost when the character Anger shouts 'Congratulations, San Francisco, you ruined pizza! First the Hawaiians, and now you!'3.

The first true viral peak came in August 2016, when a sudden flood of pineapple-pizza image macros hit Facebook and confused enough people to spawn two separate r/OutOfTheLoop threads in the first week of the month asking what everyone was suddenly fighting about3. Half a year later the debate went nuclear again. On January 28, 2017, Twitter user @OriginalSDM posted a photo of a pizza slice buried under diced pineapple with the caption 'wuss poppin twitter, retweet to ruin a pineapple on pizza haters timeline'2. The tweet pulled over 120,000 retweets and was credited by BuzzFeed with reigniting the whole argument, drawing responses that ranged from 'pineapple pizza is heaven on earth' to 'I hope you go to prison'2.

The fight kept branching out from there. On Tumblr, a photoshopped image of the #SaltBae chef sprinkling pineapple into a garbage can turned into a long collaborative thread where users kept remixing the image, feeding the discarded pineapple to raccoons and beyond3. YouTube explainers and food-debate videos piled in as well, keeping the topic in rotation as an easy engagement lever whenever a slow news day hit4.

Timeline

1962

Sam Panopoulos invents Hawaiian pizza at the Satellite Restaurant in Ontario, Canada.

2009-01-17

Earliest known internet debate thread posted to Neogaf by user TheGrayGhost.

2009-12-19

Facebook page 'Pineapple does NOT belong on PIZZA!' launches and gathers 1,600+ likes.

2011

First pineapple-pizza Advice Animals image macros appear.

2014-02-04

Thrillist publishes pizzaiolo ranking naming pineapple the worst topping.

2015

Pixar's Inside Out includes Anger's 'First the Hawaiians' line about ruining pizza.

2016-08

Debate spikes on Facebook, prompting two r/OutOfTheLoop threads within a week.

2017-01-28

@OriginalSDM's pineapple-loaded pizza tweet goes viral with 120,000+ retweets.

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