This is a glossary of LEGO terms that I might use on this blog. I’ll update it periodically.
Last update: 01/31/15
• ABS: Acrylonitrile Butadiene Styrene:
The plastic from which LEGO is made; heat resistant and very durable.
• AFOL: Adult Fan Of Lego:
Usually used to refer to those who are over 18. (see -FOL)
• APC: Armored Personnel Carrier:
A vehicle used in modern warfare, science fiction, and post-apoc genres.
• Apoc: short for apocalypse;
Refers to MOCs from the post-apocalyptic genre.
A molded figure made by TLG that is larger than minifig scale. Examples: the Hulk, cave troll, wampa.
A non-vehicular MOC between the sizes of a vignette and a diorama.
A theme released by TLG; also a system of building, usually figures.
• Bley: Bluish grey:
A fan term for the official colors of Dark Stone Grey and Medium Stone Grey. Released in 2004 by TLG to replace the old light and dark grey.
• Brick[s]: standard, rectangular LEGO pieces three plates thick (9.6 mm); sometimes used as a general term for all LEGO pieces.
A term used for things, often figures and creatures, that are built of bricks as opposed to being made from molded pieces.
A LEGO wiki that covers mainly official LEGO subjects, but not much fan-related content.
An unofficial LEGO website which has many LEGO sets, minifigures, and pieces for sale. Also has an exhaustive catalog of all sets, minifigures, and pieces TLG has made.
A website with a highly detailed catalog of LEGO sets, also used as a news source for fan events and product releases.
• BURP: Big Ugly Rock Piece:
The mountain base piece. (See LURP)
A genre comprising builds set in medieval times. (See Fantasy)
• CC: Classic-Castle:
An online forum for LEGO Castle builders.
• Cheese: also cheese wedge, cheese slope:
A 1×1 slope with a 33 degree angle. Two plates high (6.4 mm); often used to add detail and smoothness to a MOC. Released in 2004.
A competition between LEGO builders; there are many. Often held on MOCpages or Flickr.
• Convention: also con:
An assembly in which LEGO fans display their MOCs and visit with other LEGO fans. Examples: Brickworld, Brickfair .
• CS: Classic Space, also Neo Classic Space, NCS:
A genre based on LEGO space sets from the 1970s and 1980s; often with a color scheme of light grey/bley, blue, and yellow.
A term describing pieces or minifigures that a builder makes, usually involving modification.
• Dark age[s]:
A time in a builder’s life when he/she does not use or is separated from his/her LEGO, often during college.
A large non-vehicular MOC, often 32×32 studs or larger in dimension.
• EU: Extended Universe:
A sub-genre of Star Wars. (See SW.)
A genre set in medieval times, includes fantastical elements such as magic, dragons, and the like. (see Castle, LOTR)
• FBTB: From Bricks To Bothans:
A LEGO blog that is mostly about Star Wars.
A term referring to creations solely consisting of minifigures.
An image sharing site on which many FOLs share their work.
• -FOL: -Fan Of Lego:
A person who collects, plays with, and/or builds with LEGO. Pronunciation example: TFOL = “TEE-foal,” KFOL = “KAY-foal.”
A class or category in which FOLs build. Examples: Si-Fi, Fantasy, Steampunk.
Small, non-functional details that are added to a surface to make it visually interesting; most often used in science fiction.
• Headlight brick:
Nickname for a 1×1 brick with one stud on the side, indented a half-plate. So-called because it is often used to attach headlights to LEGO cars.
A term for techniques or connections that are not intended by TLG. (see Purist, Legal)
• Jumper plate: also jumper:
Nickname for a 1×2 plate with one stud in the middle. Used to give a half-stud offset.
• KFOL: Kid Fan Of Lego:
Usually used to refer to those under 12. (see -FOL)
• LCP: Lego Certified Professional:
A person who builds with LEGO as a full-time private job, separate from TLG. LCPs buy LEGO pieces directly from TLG and have vast quantities of pieces. They make their living by building commissioned pieces, often sculptures and mosaics.
• LDD: Lego Digital Designer:
A 3-D LEGO modeling program available for free from TLG.
A term for connections between pieces that are intended by TLG and used in their sets. (see Purist, Illegal)
The official term for the plastic pieces we use is “LEGO brand building blocks,” but who wants to say all that? “LEGO” is the general term used to refer to products from TLG. “I built this out of LEGO.” LEGO can be used as both a singular and plural noun, like “sheep” and “fish.”
• Licensed theme:
A theme based on material developed by a source other than TLG. Examples: Star Wars, Lord of the Rings, Indiana Jones. (See Theme)
• LOTR: Lord Of The Rings:
J.R.R. Tolkien’s trilogy, also the Peter Jackson movies. As a genre, comprises The Hobbit book and films.
• LUG: Lego Users Group:
A group of LEGO fans who meet regularly and often display their work at conventions. Examples: VirtuaLUG, SEALUG.
• LURP: Little Ugly Rock Piece:
The mountain top piece. (See BURP).
• Macaroni brick:
A nickname for the quarter circle brick. So-called because it looks similar to a piece of elbow macaroni.
• Mech, Mecha:
A science fiction walking machine, usually biped. Does not necessarily have a pilot. A mech is generally bigger than a mecha.
A toy brand that copies the LEGO brick and minifigure idea. Generally despised by the LEGO community.
A term for MOCs which are built smaller than minifig scale.
• Minifigure, also Minifig, Fig:
The people and characters TLG makes to populate their sets; from many genres; extremely collectible.
• MOC: My Own Creation, pronounced “mock”:
An original creation from a LEGO builder. One who MOCs is called a MOCcer or builder.
• MocAthalon: also MA:
An annual contest consisting of teams of five people building from thirty categories; held in March on MOCpages. (see Contest)
• MocOlympics: also MOs, MocOs:
An annual elimination contest, held on MOCpages.(see Contest)
A fan-created and -run LEGO image-sharing website and forum.
One unit of measurement in LEGO; 8 mm wide. Often contains a stud. Sometimes used simply as numbers: “a 2 by 4 brick.” (See Stud)
Manufacturer Suggested Retail Price.
• NPU: Nice Parts Use:
The use of a piece in an unexpected or unique manner.
Released or endorsed by TLG.
• Original theme:
A theme based on material developed solely by TLG. Examples: Ninjago, Space, City. (see theme)
• PAB: Pick-A-Brick:
TLG’s website for purchasing individual LEGO pieces; also Pick-A-Brick walls in LEGO stores.
• Parasite: also Thief, Plagiariser, etc:
Someone who takes another person’s ideas or photos and posts them as their own.
Standard LEGO pieces one-third the height of a brick (3.2mm).
A way of using LEGO that does not involve modifying or mutilating LEGO pieces in any way. There are many varying degrees. A source of contention and debate at times. (See Legal)
• Rainbow warrior:
A term referring to the multicolored castles and spaceships we all built when we were seven and didn’t have any good pieces.
A product released by TLG that contains minifigures (usually), pieces, and instructions.
• SHIP: Seriously Huge Investment of Parts:
A LEGO model, usually a spaceship, that is over 100 studs long.
• S@H: Shop At Home:
TLG’s official shopping website.
• Si-Fi: Science Fiction:
A genre set in the future, usually consisting of various forms of technology; many MOCs in this genre are spaceships or military vehicles.
A minifigure that represents a real-life person.
• SNOT: Studs Not On Top:
A term describing building techniques that are out of the vertical.
A sub-genre of science fiction that usually features steam-powered machinery. Often set as an alternate history to 19th Century Victorian civilization.
The round protrusions on top of LEGO bricks; also used as a system of measurement. “My model is 45 studs long and 17 studs wide.” (For system of measurement, see Module)
• Super Earling brick:
A nickname for the 1×1 brick with studs on all four sides. Named after a set designer who worked for TLG.
• SW: Star Wars:
A genre based on the popular science fiction Star Wars films.
An adjective describing a MOC that can be lifted by one hand without falling apart. Also describes something so cool that when you pick it up, you get the urge to run around making “swoosh” noises. Often describes spaceships and airplanes.
A MOC built without much of a plan from pieces within easy reach of the builder. Usually experimental in nature.
• TBB: The Brothers Brick:
A popular LEGO blog.
A type of LEGO pieces that consists of pins, beams, axles, and joint pieces, also a line of sets released by TLG.
A way of accomplishing a particular look or connection that the builder desires.
• TFOL: Teen Fan Of Lego:
Usually used to refer to those from 13 to 17. (See -FOL)
• The LEGO Movie:
A very popular feature-length film released in early 2014 by TLG and Warner Brothers. Also a theme based off the movie.
A line of sets and minifigures released by TLG; often in several waves.
• Third-party vendor:
A company who produces LEGO-compatible pieces, often minifigure accessories. Is not connected to TLG in any way. Examples: BrickForge, BrickArms.
A LEGO piece the same thickness as a plate (3.2 mm), but with no stud(s) on top.
• TLG: The Lego Group:
The company that produces and markets LEGO sets and pieces.
• Vignette: also vig:
A non-vehicular MOC that (usually) has a footprint of 16×16 studs or smaller.
• VTOL: Vertical Take-Off and Landing:
An aerial craft that can take off and land vertically. In general, there are two types: craft using a rotor, such as the Boeing V-22 Osprey, and craft using directed jet thrust, such as the Harrier Jump Jet.
Work In Progress.