Slow it Share definition Flag Often said to a lower classman or frosh who is acting like a spaz, trying to be cool. Freshman grom: gwing gwing (swings on cafeteria bars)senior: Slow it, you barney!! Slow it by ScratchAndBurn February 22, 2010 0 0 Get merch Get the Slow it mug. Buy Now — $32.95 See more merch