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1.
a hispanic gang on the 18'th street of east L.A.
my whole familly is 18'th street vato's
by gregory sanchez February 28, 2005
 
2.
A hispanic gang that originated in LA.
personaly I hate them and they all suck balls.
18th street KILLA.
biatch
by N.I.N. June 25, 2005