Twasn't
A contraction of: it was not
'Twasn't the night before christmas.
Twasn't
Its an alternate form of saying the word "Taint."
She tickled the area near my undercarriage that twasnt my balls or ass.
'twasn't
An alternative of "it wasn't"
Someone: I think cars 3 was a good movie!
Logan: 'twasn't
Logan: 'twasn't