Top Definition
someone who is addicted to knives.
1. you know your a GRANSTER when you play vicious traditions at least a couple times a week and pretend your Mr. Brooks.
2. you know your a GRANSTER when you repeadtly throw knives at things/ stab things.
3. you know your a GRANSTER when you cut your own boxers with a knife to relieve your self of a weggy.
-this problem is curable, and for anyone who suffers from it i strongly recommend you get immediate help.
by taylor4444 November 22, 2007
5 Words related to granster
a older man but still young enough to take on the world
my dad is a granster
by dodge cummins August 31, 2015

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