瀉肚

泻 = 写 + 氵 : Marie Curie (xi) has to constantly use the elevator's bathroom (e4) because she suffers from extreme diarrhea (泻). Next to her is a huge water bottle (氵) with the label featuring the hand-written (写) prescription her doctor wrote (写) for her.

肚 = 土 + 月 : The moon (月) made tripe out of doggy dog (du) and now his belly (肚) hurts. He has to spend the rest of the day in the space station's bathroom (Ø4) pulling a heap of dirt (土) out of his belly.