I used to believe thanks to Tom and Jerry that if you blow on your thumb hard enough then your hand would turn into a huge fist that would pummel anyone that made you mad. I still find my self blowing on my thumb when im in my room in a bad mood.
A childhood belief about cartoons

others believed things like this
- My friend told me that if you sucked your thumb, your skin would get all mushy and your thumb would fall off.— Lauren
- I used to believe that your thumb would come off if you sucked your thumb too much— Anonymous
- my nana told my brother that if he continued sucking his thumb, it would turn into a matchstick. — tracy g
- i thought that if you sucked yerr thumb long enough it would turn green. dont ask why! — jordan
- I used to believe in the Cysco song "Let me see your thong" he said let me see your thumb.— Anymous
- My mom used to tell me that if I sucked my thumb, my teeth would get so bent up, they would all fall out— I dont suck my thumb anymore