Boyakasha
Literally it means: "kill the white man". It's made famous by Ali G, which uses it as a greeting, like "hello".
or
A native african word meaning "Death to the white man" Made popular by a British comedian named Ali G.
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据说是Ali G调侃黑人时用的
![](http://static.tieba.baidu.com/tb/editor/images/jd/j_0026.gif)