血塊

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

块 = 土 + 夬 : Karl Koala let the crystal ball drop in the airplane's bathroom. He collected all the pieces and fixed them together again using nothing but dirt. After he asks the crystal ball whether or not everything is okay, the crystal ball replies that Karl is a piece of shit.