nastyass

Adjective

nastyass (comparative more nastyass, superlative most nastyass)

1. (US, slang) disgusting, gross
   • And what a nastyass stale butt it was too, already smoked once and picked out of the ashtray, tasting burnt smoke.1991, J. R. Creech, Music and Crime, Random House, →ISBN, page 134
2. (US, derogatory, slang) loathsome, contemptible
   • 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; […]2011, Kathleen McKenna, The Wedding Gift, Bell Bridge Books, →ISBN, page 11
3. (US, slang) badass
   • "SWAT uses those nastyass hollow points. A head-hit pretty much turns everything into Hamburger Helper.2011, Dennis Palumbo, Fever Dreams, Poisoned Pen Press, →ISBN, page 32