'A's' refering to drugs of a Class A nature (UK drugs laws) and 'Bustin' open' meaning to open and then consume.
In some cases the phrase may be intended to mean bustin' open someones A hole and giving it a good pounding.
In some cases the phrase may be intended to mean bustin' open someones A hole and giving it a good pounding.
by Henry Smith August 26, 2004
Get the Bustin' open some A'smug.