2. a word used when you don't know what else to say
3. an expression showing complete and utter boredom with whomever may be speaking
2. Pshaw...i'm freakin' bored..
3. Pshaw! Just get on with the damn story, i ain't got all day.
Mr. Kravitz: Macken whats the answer to this question?
Mr. Kravitz: Macken this is serious your failing this class
Macken: Hey uhm hi uhm do you want to uhm err go out with me?
Girl: Well I would and all but I don't think your my type, I'm going through a bad patch, I'm trying to say single, I just went through a bad break up, I was born a man-
Robber: Give me all your money right f***ing now
Macken: Pshaw pshaw pshaw pshaw PSH-AWWWW!!!!