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1 definition by the Ingster

 
1.
Actually it is a Jamaican patois approximation of the sound of a gunshot- you hold two fingers in the air and shout "BOOYAKASHA, BOO- BOO- BOOYAKASHA"
Rudy tink he a badman, we have to go bust him- BOOYAKASHA!
by the Ingster July 06, 2004