Definition & Meaning of "landwhale"in English

What is the origin of the term "landwhale" and how is it used?

"Landwhale" is a slang insult that appeared in English in the late 20th or early 21st century, combining "land" with "whale" to mockingly describe an obese woman. The term emphasizes size in a demeaning, exaggerated way, likening the person to a massive sea creature stranded on land. It is used in informal, hostile, or mocking contexts, such as conversation, media, or online commentary, to insult or ridicule appearance. The term is highly derogatory and intended to demean; it is never neutral.