A signal among modern day hippies that law/drug enforcement was near. Named for the six lights that sat atop most old cop cars, it is a way to warn others without implicating oneself.
"6 up, 6 up, in the Dave Matthews tie-dye!"
by Funthrax February 03, 2007
Get the 6 upmug. by Funthrax February 03, 2007
Get the bunk dosemug.