It is an abbreviation for transfer. It means money went from one account to another. An example may be if you have automatic transfers sent to your savings account, or if you used a fund transfer to pay on a bank credit account. If you did not authorize the transfer your should contact the bank immediately to resolve the issue.
I opened a new bank account, and, there was this "TFR withdrawal"? wat is TFR, and i never withdrawed any money since i opened an account?