The state needs to give public schools a larger 'piece of the pie'. [=the state needs to give public schools more funds]
He's the best player on the team and he wants a bigger 'slice of the pie'. [=he wants more money]
His plan to reduce the national debt seems like 'pie in the sky'.
(..) Your hair was in two braids instead of one. I remember when you... You sang in music as simply the teacher said. Who knows the pie song in your head shut straight up! After that... I watched you going home everyday. Everyday. Well, say something. (..)2012 The Hunger Games