British slang for hello or hi it's used as a type of greeting
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You dunno she got an A+ on her test
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British slang
Also spelt "dun'no". DO NOT mistake with dunno which can also mean "Don't know"

Means cool, or like "Oh yeah! I'm awsome!"

Usually used with "Out here"
"Heard you were going to South America for a vacation bruv, the fuck's up wit dat?"
"Yeah fam, mans international now, dunno, out here"
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