A controversial process of extracting otherwise-secret information from a friend or co-worker by getting them drunk and thereby loosening their control on their tongue.
The guys at work took me out drinking last night. After quite a few beers and a lot of questions I finally let slip that I was going to be a father. What can I say? Beerboarding should be against the law.
In many countries, especially those formerly part of the former British empire, a brigadier is either the highest field rank or most junior general appointment, nominally commanding a brigade.
A "Beerbrigadier" is the highest rank pisshead amongst a band of alcoholics on a "pub crawl". The ruling "Beerbrigadier" of the beer brigade decides what pub is best, what beer is tastiest, and what fat slag is worth shagging.
"Look at thatfellow, he just drank 11 pints of ale! He must be a beerbrigadier!"
"Onwards to the next pub! Follow the beerbrigadier!