Top Definition
A mini version of the new popular by damaned of critical mass . Crititcal mass is a riding of fixed gear bikers who do not obey the law and ride like crazy monsters. In las vegas the gathering is held every last friday of the month .and in LA every friday
Person 1 : we should critical mass ?
Persons 2 : that was 2 fridays ago . But we can mini mass tommorow just me and you
by gokillyourself.NOW! June 09, 2009
5 Words related to mini mass

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