i'owno 

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

iowno

lazy shorthand for "i don't know"

"hey amber, you gonna take a shot with me?"
"iowno!"

iowno by ilikegreeneyeballs March 18, 2008