In polite society, whoever you're talking to.
Its usage in this definition originated amongst the youth in the more affluent suburbs of South-West London, who had influence from the more urban neighbouring north-western and south-eastern suburbs of London whilst retaining a posh-like standard.
A: Where is Swagmaster going now?
B: I'm going to dat house party on t'High Street, innit
A: Does Swagmaster need to know the bus times?
B: Nah, bruv
, d'as on my iPhone, like.
, can Swagmaster wait two minutes?
B: Arrgh, man, d'as bare long, doe