Top Definition
A firm= 5-10 guys
2 firms= a crew or cru
3 cru's= a gang
a gang normally has 1 or 2 'hardcore' firms which are not to be messed with, one of these firms will be the 'phycho firm' who will take anybody on.
gangs are similar to clan's
the gang structure is actually very simple.
by london12 June 23, 2006

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