Bricks They come in many different sizes and colours.
Bignette A large LEGO creation
Baseplate These are thin plates, usually quite large, and you can build things on top of them (they don’t have bottom connections).
Billund Billund, Denmark. Headquarters and primary design centre for The LEGO Group.
Blay/Bley Bluish Grey
Brick-Built A LEGO creation that is composed of basic LEGO elements, instead of more specialized elements. (For example brick built figures, animals, or objects.)
Builder A LEGO fan whose primary interest is building MOCs.
Cheese Slope A LEGO part with a 33° slope, 1×1 stud wide and 2 plates high. It is named after the fact that yellow pieces look like a wedge of cheese.
Clone Construction toys similar and often compatible with LEGO, but cheaper in quality and price, designed to compete with the LEGO brand. They are often greatly despised by LEGO-fans.
Customiser A LEGO fan who is not afraid to modify LEGO parts. Customising may include painting, cutting, drilling, melting LEGO elements, adding other non-LEGO parts to a creation, or adding details with custom-made stickers and decals. These are all considered heresy by a “purist”.
Decorated Parts When bricks, plates, tiles or other parts have printed designs on them they are usually referred to as “printed” or “decorated” parts.
Dark Ages The period in a LEGO-fan’s life when he/she sets aside LEGO in favour of other, non-LEGO pursuits.
Diorama or Dio A very large LEGO scene, larger than a Bignette or Vignette.
Element A universal name for a LEGO piece.
FFOL Female-Fan-Of-LEGO. Another acronym for female fans.
Greebling Technical detail added to a LEGO creation to enhance its appearance, frequently seen in LEGO space and mech creations.
Half-Stud Offset A building technique that allows building without regard to the standard alignment of studs on a plate, usually achieved with a jumper plate.
Headlight Brick A 1×1 stud brick with an inset stud on one side.
Illegal LEGO building techniques that break the rules for connections between LEGO elements used by official LEGO set designers – particularly connections that stress the LEGO elements.
Inventory The list of LEGO elements included in an official LEGO set.
Jumper Plate A 1×2-stud LEGO plate with only 1 stud in the centre.
Knolling The process of arranging a series of elements next to each other in an
aesthetically pleasing manner, without the pieces being connected. The parts are often arranged in rows by colour, size, shape, or all three.
Legal LEGO building techniques that follow building guidelines for official LEGO set designers.
LUG LEGO-Users-Group. Local or regional LEGO clubs that meet and interact primarily in an offline or real world context, although many of them now have online presence as well.
LEGO Community The worldwide network of LEGO fans and builders, composed of
websites, forums, LUGs, clubs and more.
Minidoll The thin, curved figures featured in LEGO Disney Princess, Elves, and Friends themes.
Microfig Small figures (half the size of regular minifigs) from the LEGO Games series.
Midi Scale Refers to sets that are between miniature and minifig scale. They do not include minifigures, but are much more detailed than mini sets. So far only Star Wars sets have midi versions.
Minifig Scale A LEGO creation built for the scale of standard LEGO minifigures.
MOC My-Own-Creation. A LEGO creation designed and built by a LEGO-fan without instructions.
NLP Non-LEGO-Person or Non-LEGO-Parent. Referring to those unfortunate outsiders who don’t play with LEGO.
NPU Nice Part Usage. An unexpected way to use a LEGO element in a model.
Plates Thinner than bricks (but not as thin as baseplates). 3x plates stacked together = 1 brick.
PAB Pick-A-Brick. Buy individual parts from BrickResales.
PAB Wall Pick-A-Brick wall at LEGO stores.
Purist A LEGO-fan who only uses official LEGO elements. Or a LEGO creation that only contains official LEGO elements with no modifications or custom parts. Contrast with Custom.
Studs These are the little bumps on top of LEGO elements.
Sigfig The minifig version of a LEGO-fan that he/she uses in online communities as an avatar, or signature minifig.
SNOT Studs-Not-On-Top. A building technique that places LEGO elements on their sides or even upside down to achieve the shape or structure the builder wants in their creation.
Studless A building style in which visible studs are minimized or, ideally, eliminated.
Swooshable A quality that allows a LEGO creation to be picked up and flown around a room as the builder makes flying and/or shooting noises.
Tiles These are thin, like plates, but they have no studs on top.
TLC The LEGO Company.
TLG The LEGO Group.
UCS Ultimate Collector’s Series. A series of large LEGO Star Wars sets designed for older teens and adults. They are larger than minifig scale.
UFO Unfinished Objects.
Vignette or Vig A small scene recreated on a small plate.
YFOL Young-Fan-of LEGO.