grown-ass

Means the same as "grown", but "ass" is added to belittle the person or thing referenced. Usually used in reference to a "grown ass man". (Note: it is important to distinguish between a "grown ass man" and a "grown assman." The former is an adult male, whereas the latter is an adult male who likes asses.) "Grown ass" is part of the "ass" family label of disrespect. Also included are "dumb ass" (see also: "stupid ass"), "lazy ass", "punk ass", "crazy ass", "cheap ass", and "broke ass".