nastyass
Proposed by a contributor, not yet supported by evidence.
Sense 1
Meaning · English
disgusting, gross
Register: slang
Where it’s used:
Used
American English
Examples
And what a nastyass stale butt it was too, already smoked once and picked out of the ashtray, tasting burnt smoke.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 2
Meaning · English
loathsome, contemptible
Register: derogatory, slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Sense 3
Meaning · English
badass
Register: slang
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).
Common questions
What does “nastyass” mean?
disgusting, gross
Is “nastyass” formal or informal?
nastyass is generally slang.