(dialect and vulgar) contraction of it ain't. Ain't is a substandard contraction of am not (also extended in
use to mean are not, is not, has not and have not). I'd be very happy to do this. However, tain't reading very well.
-Basics of Auditing (21 Aug. 62) (dialect and vulgar) contraction of it ain't. Ain't is a substandard contraction of am not (also extended in
use to mean are not, is not, has not and have not).