My parents used to tell me that back in the day ( not sure when ) if you lied people would gather around you for a ceremony where someone would cut out your tongue.
A childhood belief about lies

others believed things like this
- I was told that if you sleep on your back you swallow your tongue...I have been sleeping on my side ever since— scotty la
- i always thought that people always died with their tongue hanging out— Ernesto Shredder
- my mum used to say if i lied my eyes would change colour...when i lied i would shut my eyes— kevin rosenqvist
- I used to think that all people closed their eyes and stuck their tongue out when they died.Anon
- I used to believe that when I see a flock of birds in the sky, they have a wedding ceremony.— Mr. Used to
- When I was a child, I used to think that if I lied my nose would grow bigger.Anon