Hincharse
Hincharse is a reflexive Spanish verb that denotes the action of swelling or becoming larger in size, either literally, through an increase in volume of a body part or object, or figuratively, through emotion or appetite. The form emphasizes that the subject experiences the swelling.
Literal use covers situations where parts of the body or objects inflate or accumulate fluid or air.
Figurative uses are common and diverse. Hincharse can express pride or strong emotion: “se hinchó de orgullo”
Related terms include hinchazón, the noun for swelling or edema, and hinchado, the adjective meaning swollen.
Regional note: while hincharse is widely understood across Spanish-speaking regions, some areas prefer inflarse or hinchar
In sum, hincharse covers both physical swelling and metaphorical swelling of pride or appetite, with the reflexive