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.
(..) Grasshopper? Look here, you, you impudent young pup! lt wouldn't hurt you to take orders from your grasshopp-- Uh, uh... your conscience, ifyou have one. Yeah, yeah, yeah, sure. Screwball in the corner pocket. Why-- Why-- Ya young hoodlum! l'll-- l'll knock your block off! (..)1940 Pinocchio