Thain't Mug

'There ain't' or 'There is/are not'. Could also mean 'That ain't or 'That is not'. Could also mean 'This ain't' or 'This is not' I was sitting at work and was talking to a friend of mine about something and for some stupid reason I have been mixing up words with each other all week and this was how the word 'Thain't' was born. It took me a minute to realize I said it but it knew it was a winner and I had to add this to the Urban Dictionary!