Nastyass

adj, slang

adj, slang ·Moderate ·College level

Definitions

Adjective
  1. 1
    disgusting, gross US, slang

    "And what a nastyass stale butt it was too, already smoked once and picked out of the ashtray, tasting burnt smoke."

  2. 2
    loathsome, contemptible US, derogatory, slang

    "If it is a boy, and I know it is, then naming him Charlie is also a way of remembering, but remembering people in my family, who may not be all rich and smart like the Willets is, but we don't got no nastyass old psycho killers in our family tree neither; […]"

  3. 3
    badass US, slang

    ""SWAT uses those nastyass hollow points. A head-hit pretty much turns everything into Hamburger Helper."

Example

More examples

"And what a nastyass stale butt it was too, already smoked once and picked out of the ashtray, tasting burnt smoke."

Etymology

From nasty + -ass.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.