Early bird gets the turd
You take a big dump at night when everyone is still going at it, and the first person to use the bathroom in the morning gets hit with a surprise that's both gross and unforgettable.
I pooped in the toilet at midnight. My mom woke up and said, 'I think I just saw a monster.'
I left a big mess in the toilet at night. My brother came in and said, 'I think I'm going to be sick.'
I took a dump in the toilet at night. My cousin came in and said, 'I can't believe this is happening.'