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.
by SmithsonianWA July 22, 2006
by @earthtoemily and @tayhoppus February 25, 2010
by Anonymous October 14, 2003
by djmonarch August 18, 2005
by Dean The BILF Machine July 07, 2006