piff chiller Share definition Flag a piff chiller is someone who smokes marijuana, usually these people tend travel in packs. -yo, it smells like weed. - can't you see that piff chiller on the tracks? -what a chunce piff chiller by saxi December 2, 2011 0 0 Get merch Get the piff chiller mug. Buy Now — $32.95 See more merch