A term meaning "Valley Locals Only" that originated around late 2003 from a group of Malibu High School freshmen in politely sarcastic response to the local "gang" MLO, or Malibu Locals Only. It is used as a joke amongst some non-Malibu residents who attend MHS.
Malibu Local: VLO? MLO, bitches! What, what! We gone drive 'round in our Range Rovers an' seriously tear up any punk-ass-tight-pants Vals who gone step they faggoty-ass shoes all up on our beaches, nigga! Hooty-hoo!
non-Malibu Local: ... Wait, what?
Three letter abbreviation known to slackers for many reasons, few examples
1. Increase chance for a larger welfare check / more food stamps.
2. Give more time to bar rat.
3. Give more time to chuck haga
4. Give more time to shave 5 o'clock shadow so it is less visible tomorrow.
Please see bar rat and chuck haga @ urbandictionary.com
That bitch takes a VLO every day and still affords to bar rat! How is that possible??? Oh.. Welfare!