Noun: Cocaine. Derived from the common fact that when an individual achieves a promotion to the corporate office of a business they celebrate...hard. Usually with the "champagne" of drugs.
Verb: "Going Corporate". The act of ingesting said anesthetic.
Kevin: "Hey congradualtions on your promotion. And to celebrate I think it's time we have an official "Corporate Meeting". Meet me in my office."
Jeff: "Vegas was awesome! We partied so hard, Roy even went corporate."