What does upchuck mean?
Upchuck is an informal word for vomiting or ejecting the contents of the stomach. It can be used as a verb, as in “She upchucked after the spoiled meal,” or as a noun naming an act or instance of vomiting. The expression is chiefly associated with American and Canadian English and can sound comic, emphatic, or deliberately euphemistic depending on the context. Although more common words such as “vomit” and “throw up” exist, upchuck is memorable because it conveys the physical force and suddenness of the act while retaining a touch of blunt humor. The word is a compound built from “up” and “chuck,” with the latter element meaning to throw or eject. Its rough edge makes it best suited to informal writing, dialogue, and comic narration rather than formal or clinical descriptions of nausea and vomiting.
To vomit or eject the contents of the stomach.
"He upchucked behind the hedge as soon as the boat began rolling."
Informal and chiefly North American; it can be transitive when the expelled material is named.
An act or instance of vomiting.
"The dog produced a noisy upchuck and then staggered away."
Informal and chiefly North American.
The regular plural is “upchucks,” although the word is normally used as a mass-like singular for the act of vomiting.
"After several violent upchucks, he finally managed to speak."
Upchuck is a cheerfully blunt Americanism that compresses the entire unpleasant process of throwing up into one vivid verb.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of upchuck
Upchuck is an American English compound formed in the early nineteenth century from “up” and “chuck,” using “chuck” in the sense of throwing or ejecting. The second element comes from Middle English “chucken,” an older form associated with throwing or tossing. Its development as a single verb for vomiting gives the modern word a characteristically vivid and informal force.
Related word forms
How upchuck is actually used
Upchuck is informal and often deliberately blunt, although it may also be used jokingly or euphemistically. It is more characteristic of North American speech than of formal British English.
Easily confused with upchuck
Chuck can mean to throw or toss something, whereas upchuck specifically means to vomit.