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This is a common acronym used in the Lego community - what does MOC mean?

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up vote 28 down vote accepted

MOC stands for "My Own Creation".


My Own Creation. Any LEGO creation designed and built by a LEGO fan without instructions. Generally pronounced “mock.”*

Found at this Lego glossary.

Brickipedia's version from their own glossary:

MOC - My Own Creation, a fan- made LEGO model

*A side note: There may be some LEGO fans who pronounce "MOC" the way the individual letters are pronounced - effectively saying "Em-Oh-See".

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You could note the grammatical conflict--I hear "a MOC" alot, given that people pronounce it as "MOCK," but I personally say "an MOC" and pronounce it "EM-OH-SEE." – Purag Oct 29 '11 at 7:08
@Purmou Thanks for the tip! – Peter Cassetta Oct 29 '11 at 14:20

A MOC or a Lego MOC, are the initials of My Own Creation, so, if you have made a creation or a Lego model out of your mind, I mean, with no instructions, you've made a MOC.

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