i'owno Share definition Flag A back woods, country way of saying, "I don't know." Typically for those who are too lazy to use proper grammar. Jake: Hey Jeremy, dude, where'd your mom put those empanadas? Jeremy: I'owno, dude. Go ask Carlos. i'owno by MelanietheGreat December 27, 2008 0 0 Get merch Get the i'owno mug. Buy Now — $32.95 See more merch