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
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1) Means "I don't know". Contrary to popular belief, does not mean "Keep asking me the same question and maybe an answer will pop up."
1) Her "What turns you on about bondage?"
Me "I dunno"
Her "Is it being tied down or having no control or having to place your trust in someone?"
Me "I don't know you stupid bitch! Stop asking the damn question!"
by OogaBooga October 27, 2004
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A person who thinks they know everything who really knows nothing at all. After two weeks of hanging around a dunno all, you know everything they know and that have not gathered one bit of intelligence when you catch up with them 4 years later. The stories and un-applied knowledge repeats itself.
Minion: have you seen Jo lately

Thinker: yEah, i havent seen her for years and she still has the same stories as back then. The only time she stopped talking was to listen for her echo!

Minion: Figures, I always thought she was a dunno-all!
by VICKI KARMA October 18, 2006
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A person whom no one seems to know the name of.

See also: Ingrid Dunno
Person 1: Who's the new guy?
Person 2: No one knows, man. He's a total Ivan Dunno
by Blurry October 28, 2006
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what people say when they don't feel like saying i don't know

Can also be said to be annoying
"hey do you want to go to the movies?"

"i dunno"
by i'm hungry! August 23, 2007
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