booyakasha

Etymology
Of unclear origin, although many spurious theories exist. Possibly of Jamaican origin, as an extended form of. Intended as a simulation of a shotgun blast and used in hip-hop, e.g. "Keep Their Heads Ringin’" by (1995) and before that by  in the late 1980s. "Booyaka" appears in Shabba Ranks's "Ting a Ling". (Popularised by comedian, whose character used it during the 1990s and early 2000s. Cohen could also have intended it to be a portmanteau of "boo-ya" and the Hebrew word for "you're welcome, which is בְּבַקָּשָׁה, phonetically "bevakasha."

Interjection

 * 1)  Used to express triumph, normally if trying to appear "gangsta".