It's think it might be a west coast thing, the way to say drank...

kinda like the hood way to say drink.


you guys ain't never heard of the purple drank?



From UrbanDictionary.com -

purple drank


"codeine/promethazine cough syrup mixed in with some sprite. serve it up in a white styrafoam cup with some ice and your good to go. you can mix it up with all kinds of sodas or just sip the ish. there is NO alcohol in it and its NOT robitussin. It's thick and purple and comes only by prescription or by your local weedman. not to be sipped by suckas!!!!!"