A dandruff covered cowlick that results from rolling out of bed and going directly to work without combing one's hair.
"Wow Billy, that's some olli you've got going on today! You look like you stuck your finger in an electrical outlet!"
by H. W. Jablome March 7, 2012
by Joe January 12, 2005
by Lou December 18, 2004
by FatherK January 3, 2010