the worst i ever had, and this really happend... when we were on a couch(bus) going to italy to go ski.. i had to go to the bathroom.. an old lady had to go to and was waiting to go to the bathroom too...(it was occupied)... then finally the old lady could go to the bathroom i was waiting.. finally she got out, but i didn't hear a flush sound... i went it(wich i still regret) and the was a huge pile of poop!!! and a bad smell damn!! i looked at that lady and i didn't even wanna think how all the poop came out of her!! i allmost threw up, but i didn't, cuz i had to threw up in the toilet...i hate public toilets...