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When "LGTM" in a GitHub review hides a hint of roulette coding
CodeReviews Post #4720, on Aug 2, 2022 in TG

When "LGTM" in a GitHub review hides a hint of roulette coding

Why is this CodeReviews meme funny?

Level 1: Eh, It's Fine

Imagine your friend asks you to check their homework, but you're both in a hurry to go play. You glance at it for just a second and say, "Looks good to me!" even though you didn't really check everything. You basically give a quick thumbs-up so you can move on. Later, if some answers turn out wrong, you'll realize that saying it was fine was a bit of a gamble since nobody double-checked the work. This meme is poking fun at that same idea. It's like when people approve something really quickly without looking carefully, just hoping everything will turn out okay. It's funny because we all know we probably should take a closer look, but often we just shrug, say "Eh, it's fine," and hope for the best.

Level 2: Looks Good To Me?

For a newer developer, let's break down what's happening. When you make changes to code, you usually open a pull request on a platform like GitHub so others can review your work before it gets merged into the main project. A code review is basically a teammate going through your code changes to check for mistakes, bugs, or things that could be improved.

During these reviews, you might see the comment LGTM pop up. This is an abbreviation — a quick code review slang — that stands for "Looks Good To Me." In plain terms, it's the reviewer's way of saying "I think this code is fine." Dropping an LGTM in a review is like giving a thumbs-up that the changes can be merged. It's a common phrase in developer communities, especially on GitHub. Instead of writing a long approval note, a reviewer often just says LGTM to signal everything looks okay.

Now, the meme jokingly lists a few alternative meanings for LGTM to tease how sometimes this approval is given a bit too casually. It presents several interpretations of those four letters, each with a twist:

  • Looks Good To Me. (Because Google says so.) – This suggests the reviewer isn't 100% sure on their own, and they perhaps relied on Google or Stack Overflow. It's like saying, "It looks fine to me, and hey, I found on Google that this approach is common, so it's probably okay." In other words, the code seems okay because an internet search didn't reveal any obvious issues.
  • Let's Get This Merged. – This implies the reviewer is mainly eager to merge the code quickly. Maybe they're in a rush or the change is needed ASAP. It's a tongue-in-cheek way of saying the reviewer is thinking, "Everything seems fine enough — let's just merge it now and not delay."
  • Legitimate. – A playful stretch of the acronym, basically just calling the code "legit." This isn't a standard phrase, but the meme includes it to be funny. It conveys, "This change seems valid and okay." It's the simplest, most earnest interpretation — just giving a formal-sounding thumbs-up.
  • Let's Gamble, Try Merging. – This is the punchline. It means the reviewer is not totally sure the code is perfect, but they're willing to take a chance and merge it anyway. It's like saying, "I'm not going to spend more time on this; let's merge and hope nothing breaks." This phrase paints the code review like a bit of a gamble, which is where the "roulette" idea comes in.

What this meme highlights is a bit of real-life developer culture. Getting an LGTM is usually a happy moment — it means your code was approved. But everyone also knows that sometimes LGTM is used half-jokingly or half-heartedly. Maybe the change was small and the reviewer just skimmed it. Or maybe the team is so busy that a quick "LGTM" is the only review a piece of code gets. The term "rubber stamp review" gets tossed around to describe approvals that are given without much scrutiny, kind of like stamping "Approved" on a form without really reading it. Here, LGTM can act like that rubber stamp.

For a junior dev, the key takeaway is: LGTM generally means "all good, let's merge," but it's not a guarantee that the code was examined super closely. The meme is funny because it exaggerates that truth – implying that sometimes when someone says LGTM, they might actually mean "I didn't look too deeply, but it'll probably be fine." It resonates with developers because we've all seen reviews where the approval seemed a bit too quick. It’s a gentle reminder that while it's great to trust your team, actually reviewing code is important. And if you ever get an LGTM with minimal feedback, now you know the range of things it might secretly mean! Whether it's genuine approval or just a friendly "Let's get this merged" to unblock you, an LGTM is usually good news – just with a wink and a nod among devs that sometimes we're all a tiny bit lazy.

Level 3: Rubber-Stamp Roulette

In a busy team, code reviews can turn into a high-speed game of trust. The acronym LGTM (meaning Looks Good To Me) has practically become a rubber stamp in modern development. This meme hits home for senior engineers because we've all seen LGTM used as a catch-all merge approval phrase – sometimes sincere, but other times basically "I skimmed it, let's just merge and pray." It's the rubber stamp approach: glance at the diff, see nothing too alarming, drop an LGTM comment, and move on to the next pull request.

The humor here is that LGTM can hide a spectrum of attitudes. Officially it means the code is fine, but we've jokingly redefined it in the trenches. One colleague says it stands for Let's Get This Merged, implying they're in a hurry to deploy. Another quips it really means Legitimate – as in "Sure, this code looks legit enough." And the darkest interpretation (which the meme spells out) is Let's Gamble, Try Merging. That's the roulette coding vibe: you're essentially betting that the code won't break anything. "Looks Good To Me (because Google says so)" is another gem in the image – hinting that the reviewer might have just copy-pasted a solution from Stack Overflow or blindly trusts an article from Google. The cynical truth is that sometimes we bless code simply because an internet search suggested it's correct, not because we fully understand it.

Seasoned developers chuckle (or cringe) at this because it's a shared secret of our trade. We've all rubber-stamped a commit on a Friday evening with an LGTM, hoping we won't get a pager alert at 3 AM. And sometimes, that faith comes back to bite when a bug slips through. The meme highlights this collective experience: the gap between how code reviews should be (careful, critical examination of changes) and how they often are under deadline pressure (drive-by approvals with a quick "looks fine"). The term LGTM is ubiquitous dev slang now – it's baked into team culture on GitHub and other version control platforms. But every veteran dev knows that uneasy feeling before hitting "Merge": did someone truly review this, or are we all just agreeing to roll the dice?

In short, this meme is funny because it's painfully true. The supposed stamp of confidence, LGTM, sometimes disguises a shrug and hope for the best. It pokes fun at our tendency to approve changes with minimal scrutiny when we're busy or trusting our teammates (or too tired to care). It's the kind of joke you laugh at and then nervously think, "Yeah... I've definitely done that." For those of us who have been burned by a casual LGTM, the phrase "Let's Gamble, Try Merging" hits a little too close to home.

Description

Dark-mode slide with a 📖 emoji heading reading “What does "LGTM" mean?”. Under it, a sentence states: “LGTM is an acronym, frequently used when code reviews on GitHub.” A sub-heading line says “The interpretation were:” followed by four bullet points in white text: • “Looks Good To Me. (Because Google says so.)” where “Because Google says so.” appears as a blue hyperlink-styled note, • “Let's Get This Merged.”, • “Legitimate”, and • “Let's Gamble, Try Merging.” The minimalist design resembles a README or wiki page, evoking everyday pull-request banter. Technically, the image pokes fun at how reviewers rubber-stamp changes with “LGTM,” implying everything from serious approval to reckless deployment, reflecting the culture of code reviews, Git workflows, and merge anxiety

Comments

15
Anonymous ★ Top Pick LGTM: I skim-approved this on my phone - Prometheus and the 2 a.m. pager can finish the code review in production
  1. Anonymous ★ Top Pick

    LGTM: I skim-approved this on my phone - Prometheus and the 2 a.m. pager can finish the code review in production

  2. Anonymous

    After 15 years in the industry, I've learned that LGTM actually stands for 'Let's Generate Technical Mayhem' - because that PR you rubber-stamped at 4:59 PM on Friday will inevitably page you at 3 AM Sunday morning with a production incident that somehow traces back to an uncaught edge case in line 247 that everyone assumed 'looked good.'

  3. Anonymous

    LGTM: the four letters that simultaneously mean 'I thoroughly reviewed your 2,000 line PR' and 'I trust you didn't break production... probably.' Senior engineers know the real interpretation depends entirely on whether it's 4:55 PM on a Friday or if the CI pipeline is green. The 'Let's Gamble, Try Merging' variant becomes increasingly accurate as the sprint deadline approaches and the blast radius of potential bugs seems like a future-you problem

  4. Anonymous

    LGTM is our team’s lossy compression for code review - 1,200-line diff reduced to two approvals and a merge before CI times out

  5. Anonymous

    LGTM: Because in senior code reviews, 'Looks Good To Me' is code for 'Prod will reveal the architecture flaws soon enough.'

  6. Anonymous

    LGTM: CI is green, the blast radius maps to someone else’s bounded context, and the pager routes to their team - merge

  7. @Infinitelineman 3y

    I prefer "lets gamble"

  8. Max Ting 3y

    looks gay to me

    1. @nohat01 3y

      dfntly

  9. @RiedleroD 3y

    I've always read it as "looks good to merge"

  10. @sylfn 3y

    Lezhit govno, trogat mozhno [there is shit, it is allowed to touch it]

  11. @azizhakberdiev 3y

    Let's google this merely

  12. @Similacrest 3y

    Lesbian, Gay, Transgender, Merge conflict

    1. @plusdanshi69 3y

      We have a winner

  13. Deleted Account 3y

    let's go to me :)

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