Acronym for Pull Your Head Outta Your Ass, Bitch!
Abbott: Well Costello, I'm going to New York with you. You know Bucky Harris, the Yankee's manager, gave me a job as coach for as long as you're on the team.
Costello: Look Abbott, if you're the coach, you must know all the players.
Abbott: I certainly do.
Costello: Well you know I've never met the guys. So you'll have to tell me their names, and then I'll know who's playing on the team.
Abbott: Oh, I'll tell you their names, but you know it seems to me they give these ball players now-a-days very peculiar names.
Costello: You mean funny names?
Abbott: Strange names, pet names...like Dizzy Dean...
Costello: His brother Daffy.
Abbott: Daffy Dean...
Costello: And their French cousin.
Abbott: Goofè Dean. Well, let's see, we have on the bags, Who's on first, What's on second, I Don't Know is on third...
Costello: That's what I want to find out.
Abbott: I say Who's on first, What's on second, I Don't Know's on third.
Costello: Are you the manager?
Costello: You gonna be the coach too?
Costello: And you don't know the fellows' names?
Abbott: Well I should.
Costello: Well then who's on first?
Costello: I mean the fellow's name.
Costello: The guy on first.
Abbott: PYHOYAB! His name is Who!