We're looking for investors with 'pockets' that are deep enough to pay for the project. [=investors with enough money to pay for the project]
People 'vote their pocketbooks'. [=people vote according to how a candidate or issue will affect their financial situation]
It turned out that they had 'pocketed' [='stolen'] most of the money that was supposed to go to victims of the fire.
(..) That's my Bad Motherfucker. Open it up. Take out the money. JULES: Count it. How much is there? About $. OK, put it in your pocket. It's yours. With the rest of those wallets and the register... that makes this a pretty successful little score. (..)1994 Pulp Fiction
(..) in a little general store... in Knoxville, Tennessee. Made by the first company to ever make wristwatches. Up till then, people just carried pocket watches. It was bought by Private Doughboy Erine Coolidge... on the day he set sail for Paris. This was your great- (..)1994 Pulp Fiction