Yeah, I think we have all seen that. I even had a pax once who did the same (pee just behind the jet, which was equipped with a fully enclosed lavatory).
Sorry for the off topic but I have to ask: Why is it that so many English native speakers (Brits and Yanks alike) write "would of, should of, could of" Instead of would've, should've and could've or the long forms "would have, could have, should have". It hurts my eyes when I read it.