Actually, since Ali G is Jewish and comes from Israel it means something totally different. In Hebrew there's a world called BEVAKASHA - which means 'Here you go' basically. So he made it into BOOYAKASHA.
1. a quick exclamation used when one has owned, pwned, shanked, kicked the crap out of, or mentally abused someone followed immediately by a quick snap of the fingers.
booyakasha is an african term that means, "all death to the whites," that is the literal translation of it, and dont bother contesting it because you are wrong
booyakasha does infact meankill the white man,
but ali g
contrary to common belief does not use the word Booyakasha to mean this.
ali g uses booyakasha, as a term for his home county BERKSHIRE.
staines is part of berkshire, hence 'da west staines massive'
can be used as a greeting
ali g:Booyakasha
Ricky C: 'ello or as a term for berkshire