Slop Grenades are unreviewed AI output dumped on someone else

Slop Grenades are unreviewed AI output you toss at someone else. You look busy. They clean it up. The mess lands on whoever opens the message, pull request, or doc.

The original meaning was narrower: pasting a ChatGPT-style essay into Slack or email where a human would write one sentence. Shopify later used it more broadly, for any unchecked AI work (emails and code) passed downstream without adding value.

What it looks like

The demo case on noslopgrenade.com is a coworker answering “Should we use Redis or Memcached?” with a two-thousand-word “nuanced decision” nobody asked for. The human answer is one line: “Redis. We need pub/sub for the notifications feature.”

Pasting a massive AI-generated response into a chat or email where a human would write one sentence. It destroys the medium itself. Nobody writes essays in Slack. It’s only possible because of AI copy-paste.

Tobi Lütke’s workplace version, on The Knowledge Project, is letting AI produce the work and passing it on without adding value, including checking it, so someone downstream has to wade through mistakes. His example is an AI-written “big missive” that the recipient then feeds into another model to summarize. “Why did we invent decompression and recompression?”

Who coined it

The first documented public use is anonymous. The one-pager noslopgrenade.com was circulating by 21 May 2026. No named author has claimed it.

Later attribution got messy. On 15 September 2026, after Shane Parrish credited Tobi, Tobi posted: “Full credit to @harrybrundage for coining the term Slop Grenade.” Harry Brundage, a former Shopify director of engineering and cofounder of Gadget, replied the same day: “I stole it! From noslopgrenade.com.”

Tobi Lütke did not coin the phrase. Fortune, Business Insider, and several recaps still say he did.

Who popularized it

It spread in two stages. First it was a tech forum meme. Then it was a CEO clip.

Two meanings

The manifesto and the Shopify usage both describe dumping work on someone else. They are not the same thing.

Related terms

Slop, in the AI sense, is older. Simon Willison popularized it in May 2024 as the analogue of spam for unwanted AI-generated content. Merriam-Webster made slop its 2025 Word of the Year. Slop Grenades are slop aimed at a specific person in a work conversation. They are not the general flood of junk on the public web.

Workslop is a parallel research term from BetterUp Labs and Stanford’s Social Media Lab for polished-looking AI workplace output that costs colleagues cleanup time. Same idea, different name.

Sources

What this does not show

This page is a definition and an attribution timeline, not a study of how common the behavior is. It does not measure how often people throw Slop Grenades, or whether Shopify’s internal usage predates the public page. “We call those slop grenades” on a podcast is evidence of usage at Shopify by September 2026, not evidence that Shopify coined it.

Harry Brundage’s “I stole it” is the best public statement we have on how the phrase entered that circle. It does not prove he was the first person at Shopify to say it. It also does not prove the anonymous page’s author is unknown to him.

Press recaps that name Lütke as the coiner are repeating Parrish’s clip, not a primary source. The primary sources for coinage are the May 2026 page, the May 2026 Hacker News thread, and Brundage’s correction on 15 September 2026.