a term used by a steriotypical asian pakistani in the uk that's trying to be black, meaning "nigger".
it is also used by indian schoolkids
asian man 1: ey, yo sup ma bitch?!
asian man 2: ye man we iz gonna nail these fookin khalas ennit?! they iz pussy like BRAP! ennit! we GANGSTA!
black onlooker: fuck you, bitch you are not fucking black fucking idiot! run for your goddam life BIOTCH!
asians: you startin'?!?! brap!!