0 Percent Share definition Flag A phrase used by fuck boys typically named Jon, who may also go by Jono or Jonny. Person one: I bet you banged that sloot last night. Jon: Oh no man 0 percent, 0 percent. 0 Percent by Dillweedman420 June 12, 2016 0 0 Get merch Get the 0 Percent mug. Buy Now — $32.95 See more merch