Did you try disabling the app?
Go to Settings > Apps > All >TalkBack > Disable
I haven't had this issue, so I'm not sure if that'll work, but...
Thanks for the welcome, everyone! :p
Why yes, yes I am. :p
Okay, okay... I'm giving in. I figure it's time to quit lurking, right? I'm Rachel and I'm a fellow Nexaholic.