Its an alternate form of saying the word "Taint."
She tickled the area near my undercarriage that twasnt my balls or ass.
by Steve December 14, 2003
Get the Twasn't mug.
An alternative of "it wasn't"
Someone: I think cars 3 was a good movie!

Logan: 'twasn't
by I am not a female June 26, 2023
Get the 'twasn't mug.