Excuse Me, Where's Your…
Lavatory?
Men's room?
Washroom?
Crapper?
Grunt throne?
Log port?
Turd cauldron?
…
THE CLOSEST I’VE COME TO BEING AN ASTRONAUT IS TAKING A LEAK ON AN AIRPLANE
Spaceman tip: flush the toilet with your foot so you can plug your ears!
…
"If you don't close the toilet lid the air pressure can tear your pants off" :0