-yo man, you see that dude's vi ii vi tattoo on his ribs?  -yeah man, he's 626 mafia
gritty, underground street [gang] of the [san gabriel valley] east of [los angeles]
"-yo man, you see that dude's vi ii vi tattoo on his ribs?  -yeah man, he's 626 mafia" What is the definition of "626 mafia"?