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8.
Short for 'Don't know' also an acronym for 'Do U Need No Opinion'.
A common reply when the asked person feels that there will only be disagreement or required effort if they give an answer.
Do you think this is the best way to get there ?
Dunno.
by Garratt June 23, 2007
 
9.
short for 'I don't know' and another way saying 'no'
guy: what are you doing tonight?
girl: dunno

guy: do you want to meet up?
girl: dunno
by metalmilitia May 29, 2009
 
10.
a word that means you dont know, lost or arent bothered enought to tell you the reason why, who, where or when.
becuase you either dont want to tell or they wont mind their own business
who do you like:i dunno

whats you doing here:dunno broo
by jo-eeeey May 21, 2008
 
11.
To state that you believe one has made a false judgment.
Girl: You should watch that video.
Guy: No. I don't want to.
Girl: I dunno, it's pretty funny.....
by Bmoore93 January 14, 2008
 
12.
It is a swift comment simply informing you that you lack any knowledge you have about the situation.
Darnel: ere blud check ma new ting.
Adeolu: ere fam is that fresh.
Darnel: ya Dun No!
Adeolu: I Dun No?
Darnel: Dun No Dun No Dun No.
by Nathan Pacey September 20, 2008
 
13.
the real way to say i dont no so leave me the fu*k alone beotch
how much money do you make a year? i dunno
by unnamedredneck May 02, 2004
 
14.
This is another word for being extremely tight with your money.
That guy is such a Dunno, he has a padlock on his wallet
by Haven Crew July 30, 2006