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'.
(..) We couldn't find it, but we found a guy who might know where it is. He runs a pizza parlour on Spring Street. Let's go. And wipe your nose, idiot. - Good pie. - Yeah. Crowded. Well, they got good pie. What's wrong with you? - You're gonna neuralyze me. (..)2002 Men in Black II
(..) This is a test. I can do this. Ever feel like you're alone in the universe? Yes. No. - Hey, let me buy you a piece of pie. - Really? Thanks. Hey, you're not alone in the universe. - Remove the arm. (..)2002 Men in Black II