Using your mouse, keep the drunk guy walking in a straight line. It’s Safe for Work, but does have sound: http://www.wagenschenke.ch/.
I don’t speak German, so I don’t know what the site says, but being a staggering drunk is probably a close second to love as the universal language.
Oh, for the record, my best score is 61 meters, Andrea is at 68, and David is at 74.