狗血 [gǒu xiě] adj. Of, Dog+blood. 1) Since dog blood was often used for exorcism in Hong Kong horror film scenes, it became an Internet meme to describe trite and highly predictable movie or TV drama scenes; 2) of, relating to ludirously unrealistic movie or TV drama scenes; 3) of, relating to, or characterized by schmaltz, exaggerated sentimentalism, as in TV shows and movies; 4) of, relating to life events that are ridiculous and infuriating.
E.g. Everyone dies before finishing the sentence, then the listener screams at the dead body to no avail.