In Japan, there’s an expression that signals the importance of drinking with colleagues or clients after work: nomunication. It’s a combination of the Japanese verb nomu (to drink) and the English word communication, and refers to the uninhibited talk that occurs under the influence of alcohol. The idea is that drunkenness allows colleagues to bond and hash out problems, and builds trust between business partners: If you’re willing to let your guard down completely, you’re honest—as is your drin…