There are two:
http://www.buzzfeed.com/yacomink/to-the ... her-urinal (http://www.buzzfeed.com/yacomink/to-the-guy-at-the-other-urinal)
LOL oh god
That guy doesn't stand a chance against me.
When pissing contests get personal....
http://dave-littler.livejournal.com/92649.html