The slang expression "tossing one's cookies" refers to the act of vomiting or regurgitating. The phrase is typically used euphemistically to describe the action of throwing up due to an upset stomach, nausea, or disgust. This idiom is colloquial and informal, commonly employed in casual conversations or humorous contexts.
The word "tossing" in this context refers to the forceful or sudden expulsion of stomach contents through the mouth, much like throwing or tossing an object. It implies a somewhat violent or involuntary action, representing the body's attempt to expel unwanted substances or alleviate discomfort. "One's cookies" is a euphemistic term for the contents of the stomach, intended to replace more explicit or graphic descriptions.
The phrase "tossing one's cookies" can also convey a sense of light-heartedness or playfulness when used among friends or in appropriate situations. Its figurative nature creates a vivid and memorable image despite being related to an unpleasant bodily function. The term is widely understood in informal English, though it may not be widely recognized or used in formal or professional environments.