“Booyakasha” comes from the Jamaican patois phrase “booyaka”, which is an onomatopoetic influence of a gun shot salute, heard at police and armed forces funerals.
A outstanding murals, that incorporated and popularized “booyaka” is the jungle drum and bass track of M-Beat and Basic Levy: “Unbelievable”, which was once featured within the opening credit of the 2002 “Ali G Indahouse” movement image flick.
“Booyakasha” was once coined via Sacha Baron Cohen because the catchphrase of his faux-street alter-ego Alistair Leslie Graham or Ali G, who gave the impression in 1998 on Channel 4’s “The 11 O’Clock Display”, in addition to “Da Ali G Display” which ran between 2000 and 2004.