1.-A very extreme danger. When things
get so
dangerous they transcend danger and become "Gangster Dangerous"
2.-Danger related to Gangster activity.
"Walking around in south central LA wearing a
ku klux mask is very gangerous."
"Licking the
pavement while driving at two hundred miles per hour in the wrong
lane is a very gangerous thing to do."
"it is very gangerous to wear gang colors in the wrong territory"