-once someone puked in the sink and clogged it. I had to clean this by hand with my hands and a spoon.
-A few times women put used tampons in the toilet paper holders.
-Cleaning up puke/feces/blood/semen/toilet paper scraps in seemingly random places (on walls, random spots on the floor) was a regular occurrence. Somehow someone got tiny pieces of toilet paper all over the walls in the bathroom once and it took hours to clean.
If you want to save the employees there hassle:
-If you have to throw up, do it in the toilet. If you can't make it to the toilet, it is pretty easy to clean off of the floor so that's the next best thing.
-Pay with a credit card. It requires one press of a button for them. Don't stand there and count pennies to have exactly 43 cents because it holds up the line and things are automatically calculated anyways.
-Contrary to popular belief, special orders don't take longer and they don't pre-make McDoubles and such so don't worry about ordering a McDouble with no onions.