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.
(..) I'm here all week. To save you from further awkwardness... ...know that I'm comfortable with the two of us climbing the stairs in silence. Oh, yeah, okay, me too. Zip it, lock it. Put it in your pocket. - So you and Leonard- - Oh, dear God. Little misunderstanding, huh? A little misunderstand-? (..)2008 TvShow: The Big Bang Theory Title: The Cooper-Hofstadter Polarization Season: 1 Episode 9