one of those terribly annoying people that wears pastel pashminas and has daddys credit card and seems to be on the phone constantly. and won't talk to you if you don't appear to be of similar stock.
yah:(on phone) oh, ya ya, ya ya, oh totally, ya ya ok, ya, bye.
most of the time used to agree with somebody or sometihng (television)
sometimes used to show that you already know something
Also sometimes replaces "you"