Muffin-choker refers to a bizarre, sensational, or unbelievable news story.

Muffin-choker指離奇的、聳人聽聞的或令人難以置信的新聞。

This phrase comes from the reaction one would supposedly have after reading about such a story in the morning newspaper while having his/her muffin and coffee. Coffee spitter can serve the same purpose in this case.

這個短語表達來源于人們早晨看報時看到上述那種新聞會出現的反應：吃蛋糕的可能被噎到了，喝咖啡的可能把咖啡噴一地。所以，這種情況用coffee spitter表示也是可以的。