The video is shot at the Gold's Gym in Venice, on a phone propped against a forty-five pound plate, and the lifter is mid-set on incline dumbbell press. He racks the weights, sweat blacking the front of a grey hoodie, and says directly into the lens: “Bro I am so mire-pilled right now, I just watched Sam Sulek run twenty-five reps to failure and I'm fully locked in.” The friend behind the camera laughs and says, “yeah dude, but this last rep is fully cooked, you're cracked.” The lifter nods seriously, picks up the dumbbells again, and grinds out a sixteenth rep that visibly should not have been possible.
A normal observer, watching with the sound on, would parse maybe two words. The density is closer to a sport with a hundred years of internal jargon — surfing, sailing, dressage — than to anything the speakers' parents would recognise as English. But it isn't broken English. It's a layered, generationally specific lexicon with traceable etymologies and load-bearing distinctions. Most subcultures get one or two words into the mainstream. The gym bros have built a working language and most of the country hasn't noticed.
What follows is a field guide.
The taxonomy of physique evaluation
The largest single category of gym-bro vocabulary is words for looking at other men's bodies. This is not as strange as it sounds — every aesthetic culture, from ballet to barbershop, develops a granular vocabulary for visual judgment — but it is the category where the slang has gone furthest, fastest.
Mire
To mire is to stare at an aspirational physique in a state of awe that's somewhere between admiration and despair. You can mire a stranger in the squat rack across from you. You can mire Chris Bumstead's offseason photos. You can, fatally, mire yourself in the mirror and decide you're not as far along as you thought.
The word's lifecycle is unusually clean for gym slang. It started as a noun (someone whose physique you stare at: “that guy's a mire”), promoted itself to a verb (“I was miring him from across the gym”), then to an adjective via the suffix -pilled — mire-pilled, ideologically captured by the project of building a mireable physique. The -pilled suffix comes from the red-pill / blue-pill choice in The Matrix, which the 2016 alt-right repurposed as a generic “you have woken up to a hidden truth” marker, and which gym culture inherited and emptied of politics. To be mire-pilled in 2026 is to have organised your free time around the pursuit; the word carries no ideology beyond that.
Cracked
Cracked means extraordinarily strong or skilled, in any domain. It originated in competitive gaming streams around 2018 — a Fortnite player landing impossible shots was “cracked at aim” — and crossed into gym culture around 2021, almost entirely via the overlap between Twitch creators and the new generation of YouTube lifters who'd grown up on stream culture. A lifter who hits a 500-pound deadlift at 165 bodyweight is cracked. A lifter who runs 25 reps with the 100s on incline press is cracked. The word does not require physique; it rewards output.
Cooked
Cooked has two almost opposite uses that depend on context. The gaming-derived sense (around 2020, via streamers) means “finished, defeated, terminally past saving” — “bro, you're cooked” to a friend whose form has collapsed at rep twelve. The lifting-derived sense, arriving through the YouTube creator pipeline a year or two later, means “I have completed a brutal set” — “that rep was fully cooked” meaning the rep itself reached the edge of what was possible.
Native speakers switch between the two senses inside the same sentence without losing the distinction. Non-natives generally cannot, which is part of why the word reads as opaque from outside.
Locked in
Locked in is the peak focus state you enter immediately before a heavy lift. Headphones on, hood up, eyes unfocused at the middle distance, breath cycling. It's also a state of life — a lifter who is locked in for a six-month bulk has organised sleep, food, and training around it with monk-like seriousness. The phrase is one of the few that crossed out of gym culture into broader Gen Z usage without losing its meaning.
Doomed and saved
Doomed is the most painful word in the lexicon. To be doomed is to have a physique permanently behind one's peers, either through bad genetics (narrow clavicles, long limbs, poor insertions) or through wasted youth (the 28-year-old who started lifting at 27 and is staring down five years he'll never get back). Its opposite, saved, says you can still get there. The doomed-vs-saved binary is the single most consequential vocabulary in the looksmaxxing world, because it determines whether someone keeps lifting at all.
Mogger / mogged
To mog someone is to out-physique them in a shared photograph, such that nobody looking at the picture notices you exist. A mogger is a person who reliably does this. To be mogged is the experience of standing next to a friend in a beach photo and seeing, in the posted image, that you have been visually deleted. The word entered gym culture from the looksmaxxing forums, where it had been used since the late 2010s to talk about facial structure.
Looksmaxxing
Looksmaxxing is the umbrella term: maximising one's physical attractiveness through any available lever — training, diet, skincare, dental work, hair, posture, surgery. The word is worth handling carefully. Its mainstream gym-culture use is benign, even self-deprecating; an 18-year-old saying he's looksmaxxing means he started using sunscreen and going to the gym. Its older, darker use, on the incel-adjacent forums where it originated, is a fixation on bone structure and “ascension” that has been linked to real harm and is worth knowing about so you can spot it. The vocabulary has crossed over. The ideology, in the mainstream gym version, mostly has not.
The lift-specific micro-vocabulary
Underneath the physique-evaluation vocabulary there's a denser layer of words for the lift itself. Grippy and sticky describe a barbell's knurling — the diamond pattern that cuts your hand. ATG (ass-to-grass) is the squat depth where your hamstrings touch your calves; full ROM is the broader demand, range of motion all the way through. Ego lift is the move you load 20% too heavy to impress whoever's watching. Pump is the temporary muscle swelling from blood pooling during high-rep work, what Arnold famously compared to a particular other physical sensation in Pumping Iron in 1977 — the only piece of this vocabulary older than the speakers' parents. Mind-muscle is the deliberate mental connection to a contracting muscle. Time under tension is the total seconds a muscle spends loaded across a set, which evidence-based lifters now treat as more important than the rep count. These are working terms. They get used inside every set.
Adjacent ideologies
Across the vocabulary there are three or four tribal divisions a field guide should name. Natty (natural, no steroids) versus enhanced is the largest; an enhanced lifter who claims natty is “fake natty,” a sin one rank below outright fraud. Lean bulk (a slow surplus, slight fat gain) versus dirty bulk (eat everything, sort it out later) is a method dispute that maps roughly onto temperament. Calisthenics versus powerlifting versus bodybuilding versus CrossFit are the four main camps; each has its own creators, its own competitions, and its own mild contempt for the others. And cross-cutting all of these is the evidence-based subgenre, descended from Mark Rippetoe's Starting Strength and Mehdi's StrongLifts 5x5, now centred on Greg Nuckols and Eric Helms at Stronger by Science — the corner of the culture that treats peer-reviewed hypertrophy research the way other people treat scripture.
Why this matters
Here is the strange thing about this vocabulary, and the reason it's worth a field guide at all.
Gym-bro slang is the only mainstream English lexicon in 2026 where teenagers reliably adopt vocabulary from men over thirty.
Every other vector runs the other way. TikTok slang flows young to old; rizz and sigma and mid and fanum tax and delulu were all minted by teenagers and travelled upward to their tired parents. AAVE, BookTok, K-pop fandom, queer culture — same direction. The slang flows from the young because the young have the cultural credibility, and the old are belatedly trying to keep up.
Gym culture inverts this completely. The 18-year-old lifter learning mire-pilled learns it from Sam Sulek (born 2001, but coded older by his physique and demeanour), from Jeff Nippard (35), from Greg Doucette (51), from Chris Bumstead (30 and a five-time Mr. Olympia Classic), from Mike Israetel (40). The vocabulary is set by men in their thirties and forties because in this corner of culture, the older lifters have the credibility. They've put in the years; the eighteen-year-old has not. You cannot fake five years under the bar the way you can fake a TikTok dance.
This is rarer than it sounds, and it changes how the slang behaves. It moves slower. It carries fewer ironies. It mutates less, because the speakers higher up the credibility ladder don't have a strong incentive to chase novelty. The vocabulary in this field guide will mostly still be intelligible in 2030, which is something almost nothing in the year-in-slang-2025 catalogue can claim.
Worth watching, then. Worth taking seriously. Worth, occasionally, miring.
See related: the lifecycle of a slang word for the broader frame on how vocabularies like this one form and last.
Sources
- Greg Nuckols and Eric Helms, MASS Research Review (Stronger by Science, ongoing) — the evidence-based subgenre's flagship publication, useful for understanding how seriously this culture takes peer-reviewed hypertrophy research.
- Mark Rippetoe, Starting Strength: Basic Barbell Training, 3rd ed. (Aasgaard, 2011) — the linguistic ancestor of much of the modern evidence-based vocabulary.
- Sam Sulek, YouTube channel (2023–present) — the dominant single source of the current 18-to-22-year-old lifter's vocabulary and demeanour; the field's pure case study for credibility flowing from older-coded creator to younger viewer.
- Amia Srinivasan, “The Right to Sex” (London Review of Books, March 2018) — for the careful, non-endorsing framing of looksmaxxing's incel-adjacent corner, and why the distinction between the mainstream and the forum version matters.
- Charles Yang, The Infinite Gift: How Children Learn and Unlearn the Languages of the World (Scribner, 2006) — for the linguistic scaffolding on how specialised lexicons stabilise inside communities of practice.