Was staying with friend during my 1st year in uni. The bathroom is attached to both of our room, so the toilet has two doors. Friend was doing his business in the toilet while I was studying in my room. I asked him to tune down his music in his room by shouting to the toilet. Then at midnight, want to go toilet, realized he forgot to unlock the toilet door at my side, so have to walk pass his room to use the toilet. Then I stepped on something slimy when walking pass his room. He was sleeping and it was dark. and FUUUUUUUUUUU, after switching on the light in the toilet only I know what is that......  then wake him up and asked him why got shit on the floor.. next day all house mates knew I stepped on human shit......