5pthe Share definition Flag When you can't remember how to spell " is the ", so you just spell "5pthe" instead. -5PTHE BEST KNOCK KNOCK JOKE EVER MADE !!!! 5pthe by Thatchickwhokindasucks June 18, 2016 0 0 Get merch Get the 5pthe mug. Buy Now — $32.95 See more merch