dú nâi 毒奶

dú nâi 毒奶 literally means "poison milk".

In e-sport, many commentator will send a blessing to the team that supports the team before the game, and even guess the team will win, and the words that encourage them are called "nâi(milk)".

Poison: when the team or the players failed after the "nâi(milk)" by the commentator, or when the game failed, he did not successfully "nâi(milk)" the team, but they also lost, so it's called "the poison milk".

Nowadays, the meaning of the word generally refers to after the encourage or accredit a certain party in the competition(milk), eventually this team has made a mistake or lost the game (which is poisoned). In fact, it is similar with the word "jinx" we often say.