Same as "Oh No", but delivered in a more sarcastic, or comedic fasion.
"onos flying pies :o"
by omg pie May 14, 2007
A chick who breaks up a band.
That Chick in the Gadgits was such a fucking Ono
by Brenak February 19, 2006
most special one
this is the ono island of all the islands in the chain
by c. r. miller March 21, 2003
synonym of "dunno" and "iono" cause young stupid internet kids have to make words shorter than they already are
umm, ono if you're gay
by fizzed face March 16, 2005