Slang Dictionary — Modern Slang, Decoded

A topic, fact or obsession that lives rent-free in your head and crosses your mind several times a week for no real reason. Born from a viral 2023 TikTok trend where women asked the men in their lives how often they thought about the actual Roman Empire and were horrified by the answer (multiple times a week, sometimes daily). The phrase quickly slipped its original meaning and now covers anyone's pet mental obsession.

Modifying a game's ROM data to change gameplay, graphics, text or anything else baked into the cartridge image. This is how you get custom Mario worlds, translation patches and full-blown fan remakes.

A digital copy of a game pulled straight off a physical cartridge or disc. Dump it once and the game lives as a file you can run in any emulator. The raw material of the whole emulation scene.

Range Of Motion: the distance through which a joint or muscle moves during an exercise; 'full ROM' means completing the whole movement.

When the hot gas layer at ceiling level hits its ignition temperature and flames go rolling across the ceiling, ahead of the main fire. It's a warning sign — flashover is coming if you don't cool the gases now.

A smooth mound of dirt on a track designed to be rolled over rather than jumped, used to maintain flow and rhythm. Sets of rollers form rhythm sections.

A trick where the rider rolls backward and then pivots 180 degrees on the rear wheel to face forward again. It is a common transition and flatland movement.

A cigarette rolled by hand from loose tobacco and papers, the standard smoke inside.

To hang around with someone and be part of their circle.

Uncontrolled outbursts of anger, frustration, or aggression said to result from anabolic steroid use.

A measure of the value or profit gained relative to the cost of an investment of money or time.

A common, slightly emphatic variant of 'roger' confirming that the specific message just sent was received and understood.

A procedure word meaning "I have received your last transmission satisfactorily." It confirms receipt only and does not by itself mean agreement or that an order will be obeyed.

Stands for "rolling on the floor laughing," an emphatic way to say something is extremely funny. It escalates LOL for bigger reactions.

'Rules Of Engagement' — the directives that define the circumstances, conditions, and limits under which forces may initiate or continue the use of force.

Describes someone looking rough or exhausted, like a horse ridden hard and stabled without cooling down.

The ironworker who places and ties reinforcing bar — the rebar grid that gives concrete its tensile strength. Brutal work: bent double all day, twisting wire ties with pliers, in sun, mud, and rain, before the pour buries it forever. A recognised branch of the ironworkers' union, distinct from structural (steel beam) ironworkers.

A rod is a handgun. To be 'packing a rod' is to be carrying a pistol.

Hard boiled sweets. The classic Brummie playground phrase is "crash the rocks" — meaning share the sweets out with your mates, no exceptions.

Any truck sitting comfortably in the middle of a convoy — front door watching ahead, back door watching behind, nothing to do but cruise. The name says it: it's the easy seat. Pure CB-era nostalgia.

Someone acting foolishly or behaving in a mad way.

On a construction site, a rocker is the worker who hangs drywall — lifting and screwing the heavy 4×8 sheets of gypsum board (Sheetrock) to studs and joists. Pure muscle work. Different job from the taper, who finishes the seams after.

To arrive somewhere, often casually or unannounced.

A transition trick like a rock and roll but without the 180 turn, the rider rocks on the coping and rolls back down fakie in the same direction.