Top definition
equivalent to sohai, bachi, insane, and retarded. It was created by someone in a school in Malaysia. It is a very famous word among the youths and can be used to greet others. It is a very BEAUTIFUL word and not as vulgar as u think. Can be pronounced by varies note but it is famously pronounced with high note ending.

dun=retard toi=baby/infant
"DUNTOI, wat are u doing here?"
"The duntoi derrick dont even know how to use axe to chop down a tree"
"WTF duntoi , u are so duntoi that i love you."
by duntoi October 22, 2007
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