Beer Induced Leg Failure. A condition where by the sufferer falls over and hurts themselves or looks stupid. Condition is caused by endulging too much in the glorious amber ale we know as beer. Symptoms which indicate a case of BILF is iminent include swaying and stumbling.
Jamie fell victim to a severe case of BILF during his night out at the pub.
by SmithsonianWA July 21, 2006