What does Bluku Bluku mean?

Bluku Bluku meaning in Urban Dictionary

no-one truly understands the meaning with this enigmatic, exotic-sounding expression; however it appears to connotate various things including phoning anything 'massive' or 'big' The originator regarding the said expression, the grime MC D dual E, defines it thus on their twitter web page "bluku bluku! Is a saying I comprised it had 1 meaning initially and now this means several things!!! It may (cont) http ://tl.g d/18a ffs".