毒奶

Etymology
From the Chinese community of , describing an unwanted effect where the healing of a healer can actually do detriment to a certain kind on character class. Hence, "poisonous milk/healing".

The term later expanded to describe situations where a prediction is bound to bring unwanted detriment to the subject of the perdiction.

Noun

 * 1)  contaminated milk
 * 2)  jinx; curse