Top Definition
ninjabrick = Japanese fangirl
What's all that Pokemon, Final Fantasy and Domo-kun fangear around in here? - It must be ninjabrick's room !
by sundayx September 03, 2006
2 more definitions
4 Words related to ninjabrick
A helpful or nice person dressed in the attire of a ninja (14th century assassin originating from Japan).
Who is that masked nice man? Must be a NinjaBrick...
by Ninja Brick January 18, 2003

Swift as a brick, loud as a ninja.
Wow, that tiny guy doesnt say much or move much. What a NinjaBrick
by TheCabanaKid January 18, 2003

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