1. Being intoxicated in a professional setting with the goal of improved networking, or creating an environment conducive to closing deals; usually achieved through the use of expense accounts and open bars.
2. A true test of business prowess, as these goals must be achieved through, and in spite of the wide availability of top shelf alcohol.
"Well, let's invite him to the Four Seasons on Friday and get business drunk!"
"Did you hear how Rachel ended up exposing her breasts to that client at the Four Seasons?"
"Pshh...what a novice, doesn't even know how to stay business drunk."
Tisha get your tie, Cindy and I are going business drunk to the Grotto.
I have an interview in the morning, so I'm preparing for it by getting business drunk tonight.
Frat Guy: Dude why do I keep finding all these ties in random places?
Frat Guy Two: Dude Business Drunk last night.