another word for "nigger" typically used by white people around black people so that black people do no get offended because blacks do not know what it means. (real ninjas are typically dressed all black as to see only their eyes; the "velcro" in velcro ninja denotes the type of hair they possess) Can be used as a racial slur, but usually used to show ethnic awareness within a group setting.
White man (to white friend) at a club: Let's leave. All these woman seem to favor the velcro ninja population.
White man #2: You're right, let's scram before a drunken "Reggin" pulls a gun.