The phrase "tost one's cookies" is an idiomatic expression used to describe a situation where someone vomits or throws up. It is an informal and somewhat colloquial phrase, often used in casual conversations or humorous contexts.
Derived from a metaphorical association between vomiting and the act of toasting or browning food items, the term "tost one's cookies" carries a vivid and somewhat playful imagery. The word "tost" is a past tense form of "toast," which can refer to the process of browning or roasting something, usually involving heat or fire.
When used in reference to a person's physical reaction, "tost one's cookies" signifies an involuntary expulsion of stomach contents through the mouth, commonly caused by illness, excessive alcohol consumption, or a strong aversion to something. The phrase underscores a somewhat lighthearted or comical perspective on the act of vomiting, often invoking a sense of surprise or disgust.
While it is a slang expression, "tost one's cookies" is primarily recognized in informal spoken English rather than formal writing. It is essential to note that, due to its informal nature, this phrase may not be suitable for all contexts, such as professional or academic settings, where more precise and formal language is generally expected.