Pronunciation: [pˈuːt͡ʃ ˈa͡ʊt] (IPA) 
The spelling of the word "pooch out" is fairly straightforward when using IPA phonetic transcription. The "p" sound is represented by /p/, followed by the long "oo" sound represented by /uː/. The "ch" sound is represented by /tʃ/ and the "out" sound is represented by /aʊt/. Therefore, the word is pronounced as /p uː tʃ aʊt/. "Pooch out" is commonly used to describe a dog's protruding belly or a person's stomach sticking out.
To "pooch out" is an idiomatic phrase that refers to the bulging or protrusion of a rounded or swollen area, resembling the shape of a dog's belly or hump. It is often used to describe the expansion or enlargement of a part of the body or an object in an outward manner, resulting in a noticeable bulge or curve.
The term can be used both metaphorically and literally. In a literal sense, "pooch out" can describe the swelling or distention of the abdomen due to bloating, overeating, or excessive accumulation of fat. It can also apply to other body parts like cheeks, thighs, or buttocks that appear rounded or inflated due to weight gain, muscle growth, or certain medical conditions.
Metaphorically, "pooch out" can describe the act of extending or projecting an object to create a rounded or bulging shape. For instance, one may say that a balloon pooches out as it is filled with air or that a bag pooches out when overloaded with items.
The term is often used informally and may connote a sense of playfulness or cuteness when applied to animals or certain objects. It suggests a visual emphasis on roundness and convexity, evoking the image of a dog's belly that sticks out in an endearing manner.
The term "pooch out" is a colloquial phrase that is derived from the word "pooch", which is another word for a dog. The verb "pooch out" is used to describe the action of protruding, bulging, or sticking out, much like a dog's belly or a person's stomach when it expands. While there isn't a specific scholarly or historical etymology available for this phrase, it is likely that "pooch out" originated from the association between dogs' bellies and objects that bulge or stick out. Over time, this semantic connection extended to describe the act of something protruding or bulging in a general sense.
