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15.
Same as "Oh No", but delivered in a more sarcastic, or comedic fasion.
"onos flying pies :o"
by omg pie May 14, 2007
 
16.
Ono
A chick who breaks up a band.
That Chick in the Gadgits was such a fucking Ono
by Brenak February 19, 2006
 
17.
ono
most special one
this is the ono island of all the islands in the chain
by c. r. miller March 21, 2003
 
18.
ono
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
 
19.
ono
an acronym for one and only
by Anonymous October 15, 2003