狗血

狗 = 句 + 犭 : This dog I will represent by a Great Dane (German: "Dogge", very similar to "dog").

Guy Fawkes (g) and the Grammar Nazi (句) are being walked by their dogs, a Dachshund (犭) and a Great Dane (狗), in the outhouse (ou3). Guy Fawkes and the Grammar Nazi are very interested in each other and spend a lot of time sniffing each other's butts.

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.