Jolarsystem Share definition Flag The act of spinning a string of Christmas tree lights in the dark. First defined because Joel thought it looked like the solar system. "Dude, it looks like the solar system." "It's the Jolarsystem" Jolarsystem by Syd Jesus April 13, 2009 0 0 Get merch Get the Jolarsystem mug. Buy Now — $32.95 See more merch